20865790000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 400

約数和(自身を含む): 59129072640

約数和(自身を除く): 38263282640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 31, 40, 44, 50, 55, 58, 62, 80, 88, 100, 110, 116, 124, 125, 145, 155, 176, 200, 211, 220, 232, 248, 250, 275, 290, 310, 319, 341, 400, 422, 440, 464, 496, 500, 550, 580, 620, 625, 638, 682, 725, 775, 844, 880, 899, 1000, 1055, 1100, 1160, 1240, 1250, 1276, 1364, 1375, 1450, 1550, 1595, 1688, 1705, 1798, 2000, 2110, 2200, 2320, 2321, 2480, 2500, 2552, 2728, 2750, 2900, 3100, 3190, 3376, 3410, 3596, 3625, 3875, 4220, 4400, 4495, 4642, 5000, 5104, 5275, 5456, 5500, 5800, 6119, 6200, 6380, 6541, 6820, 6875, 7192, 7250, 7750, 7975, 8440, 8525, 8990, 9284, 9889, 10000, 10550, 11000, 11600, 11605, 12238, 12400, 12760, 13082, 13640, 13750, 14384, 14500, 15500, 15950, 16880, 17050, 17980, 18125, 18568, 19375, 19778, 21100, 22000, 22475, 23210, 24476, 25520, 26164, 26375, 27280, 27500, 29000, 30595, 31000, 31900, 32705, 34100, 35960, 36250, 37136, 38750, 39556, 39875, 42200, 42625, 44950, 46420, 48952, 49445, 52328, 52750, 55000, 58000, 58025, 61190, 62000, 63800, 65410, 67309, 68200, 71920, 71951, 72500, 77500, 79112, 79750, 84400, 85250, 89900, 92840, 97904, 98890, 104656, 105500, 110000, 112375, 116050, 122380, 127600, 130820, 131875, 134618, 136400, 143902, 145000, 152975, 155000, 158224, 159500, 163525, 170500, 179800, 185680, 189689, 197780, 199375, 211000, 213125, 224750, 232100, 244760, 247225, 261640, 263750, 269236, 287804, 290000, 290125, 305950, 310000, 319000, 327050, 336545, 341000, 359600, 359755, 379378, 395560, 398750, 422000, 426250, 449500, 464200, 489520, 494450, 523280, 527500, 538472, 561875, 575608, 580250, 611900, 638000, 654100, 673090, 682000, 719510, 758756, 764875, 791120, 797500, 817625, 852500, 899000, 928400, 948445, 988900, 1055000, 1076944, 1123750, 1151216, 1160500, 1223800, 1236125, 1308200, 1346180, 1439020, 1450625, 1517512, 1529750, 1595000, 1635250, 1682725, 1705000, 1798000, 1798775, 1896890, 1977800, 2086579, 2110000, 2247500, 2321000, 2447600, 2472250, 2616400, 2692360, 2878040, 2901250, 3035024, 3059500, 3190000, 3270500, 3365450, 3410000, 3597550, 3793780, 3824375, 3955600, 4088125, 4173158, 4495000, 4642000, 4742225, 4944500, 5384720, 5756080, 5802500, 6119000, 6180625, 6541000, 6730900, 7195100, 7587560, 7648750, 8176250, 8346316, 8413625, 8990000, 8993875, 9484450, 9889000, 10432895, 11605000, 12238000, 12361250, 13082000, 13461800, 14390200, 15175120, 15297500, 16352500, 16692632, 16827250, 17987750, 18968900, 19778000, 20865790, 23210000, 23711125, 24722500, 26923600, 28780400, 30595000, 32705000, 33385264, 33654500, 35975500, 37937800, 41731580, 42068125, 44969375, 47422250, 49445000, 52164475, 61190000, 65410000, 67309000, 71951000, 75875600, 83463160, 84136250, 89938750, 94844500, 98890000, 104328950, 118555625, 134618000, 143902000, 166926320, 168272500, 179877500, 189689000, 208657900, 237111250, 260822375, 336545000, 359755000, 379378000, 417315800, 474222500, 521644750, 673090000, 719510000, 834631600, 948445000, 1043289500, 1304111875, 1896890000, 2086579000, 2608223750, 4173158000, 5216447500, 10432895000, 20865790000]

約数ペア:

[(1, 20865790000), (2, 10432895000), (4, 5216447500), (5, 4173158000), (8, 2608223750), (10, 2086579000), (11, 1896890000), (16, 1304111875), (20, 1043289500), (22, 948445000), (25, 834631600), (29, 719510000), (31, 673090000), (40, 521644750), (44, 474222500), (50, 417315800), (55, 379378000), (58, 359755000), (62, 336545000), (80, 260822375), (88, 237111250), (100, 208657900), (110, 189689000), (116, 179877500), (124, 168272500), (125, 166926320), (145, 143902000), (155, 134618000), (176, 118555625), (200, 104328950), (211, 98890000), (220, 94844500), (232, 89938750), (248, 84136250), (250, 83463160), (275, 75875600), (290, 71951000), (310, 67309000), (319, 65410000), (341, 61190000), (400, 52164475), (422, 49445000), (440, 47422250), (464, 44969375), (496, 42068125), (500, 41731580), (550, 37937800), (580, 35975500), (620, 33654500), (625, 33385264), (638, 32705000), (682, 30595000), (725, 28780400), (775, 26923600), (844, 24722500), (880, 23711125), (899, 23210000), (1000, 20865790), (1055, 19778000), (1100, 18968900), (1160, 17987750), (1240, 16827250), (1250, 16692632), (1276, 16352500), (1364, 15297500), (1375, 15175120), (1450, 14390200), (1550, 13461800), (1595, 13082000), (1688, 12361250), (1705, 12238000), (1798, 11605000), (2000, 10432895), (2110, 9889000), (2200, 9484450), (2320, 8993875), (2321, 8990000), (2480, 8413625), (2500, 8346316), (2552, 8176250), (2728, 7648750), (2750, 7587560), (2900, 7195100), (3100, 6730900), (3190, 6541000), (3376, 6180625), (3410, 6119000), (3596, 5802500), (3625, 5756080), (3875, 5384720), (4220, 4944500), (4400, 4742225), (4495, 4642000), (4642, 4495000), (5000, 4173158), (5104, 4088125), (5275, 3955600), (5456, 3824375), (5500, 3793780), (5800, 3597550), (6119, 3410000), (6200, 3365450), (6380, 3270500), (6541, 3190000), (6820, 3059500), (6875, 3035024), (7192, 2901250), (7250, 2878040), (7750, 2692360), (7975, 2616400), (8440, 2472250), (8525, 2447600), (8990, 2321000), (9284, 2247500), (9889, 2110000), (10000, 2086579), (10550, 1977800), (11000, 1896890), (11600, 1798775), (11605, 1798000), (12238, 1705000), (12400, 1682725), (12760, 1635250), (13082, 1595000), (13640, 1529750), (13750, 1517512), (14384, 1450625), (14500, 1439020), (15500, 1346180), (15950, 1308200), (16880, 1236125), (17050, 1223800), (17980, 1160500), (18125, 1151216), (18568, 1123750), (19375, 1076944), (19778, 1055000), (21100, 988900), (22000, 948445), (22475, 928400), (23210, 899000), (24476, 852500), (25520, 817625), (26164, 797500), (26375, 791120), (27280, 764875), (27500, 758756), (29000, 719510), (30595, 682000), (31000, 673090), (31900, 654100), (32705, 638000), (34100, 611900), (35960, 580250), (36250, 575608), (37136, 561875), (38750, 538472), (39556, 527500), (39875, 523280), (42200, 494450), (42625, 489520), (44950, 464200), (46420, 449500), (48952, 426250), (49445, 422000), (52328, 398750), (52750, 395560), (55000, 379378), (58000, 359755), (58025, 359600), (61190, 341000), (62000, 336545), (63800, 327050), (65410, 319000), (67309, 310000), (68200, 305950), (71920, 290125), (71951, 290000), (72500, 287804), (77500, 269236), (79112, 263750), (79750, 261640), (84400, 247225), (85250, 244760), (89900, 232100), (92840, 224750), (97904, 213125), (98890, 211000), (104656, 199375), (105500, 197780), (110000, 189689), (112375, 185680), (116050, 179800), (122380, 170500), (127600, 163525), (130820, 159500), (131875, 158224), (134618, 155000), (136400, 152975), (143902, 145000)]