25518580000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:661

約数の個数: 240

約数和(自身を含む): 65750952960

約数和(自身を除く): 40232372960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 79, 80, 100, 124, 125, 155, 158, 160, 200, 248, 250, 310, 316, 395, 400, 496, 500, 521, 620, 625, 632, 775, 790, 800, 992, 1000, 1042, 1240, 1250, 1264, 1550, 1580, 1975, 2000, 2084, 2449, 2480, 2500, 2528, 2605, 3100, 3160, 3875, 3950, 4000, 4168, 4898, 4960, 5000, 5210, 6200, 6320, 7750, 7900, 8336, 9796, 9875, 10000, 10420, 12245, 12400, 12640, 13025, 15500, 15800, 16151, 16672, 19375, 19592, 19750, 20000, 20840, 24490, 24800, 26050, 31000, 31600, 32302, 38750, 39184, 39500, 41159, 41680, 48980, 49375, 52100, 61225, 62000, 63200, 64604, 65125, 77500, 78368, 79000, 80755, 82318, 83360, 97960, 98750, 104200, 122450, 124000, 129208, 130250, 155000, 158000, 161510, 164636, 195920, 197500, 205795, 208400, 244900, 258416, 260500, 306125, 310000, 316000, 323020, 325625, 329272, 391840, 395000, 403775, 411590, 416800, 489800, 516832, 521000, 612250, 620000, 646040, 651250, 658544, 790000, 807550, 823180, 979600, 1028975, 1042000, 1224500, 1275929, 1292080, 1302500, 1317088, 1530625, 1580000, 1615100, 1646360, 1959200, 2018875, 2057950, 2084000, 2449000, 2551858, 2584160, 2605000, 3061250, 3230200, 3292720, 4037750, 4115900, 4898000, 5103716, 5144875, 5210000, 6122500, 6379645, 6460400, 6585440, 8075500, 8231800, 9796000, 10094375, 10207432, 10289750, 10420000, 12245000, 12759290, 12920800, 16151000, 16463600, 20188750, 20414864, 20579500, 24490000, 25518580, 25724375, 31898225, 32302000, 32927200, 40377500, 40829728, 41159000, 48980000, 51037160, 51448750, 63796450, 64604000, 80755000, 82318000, 102074320, 102897500, 127592900, 159491125, 161510000, 164636000, 204148640, 205795000, 255185800, 318982250, 323020000, 411590000, 510371600, 637964500, 797455625, 823180000, 1020743200, 1275929000, 1594911250, 2551858000, 3189822500, 5103716000, 6379645000, 12759290000, 25518580000]

約数ペア:

[(1, 25518580000), (2, 12759290000), (4, 6379645000), (5, 5103716000), (8, 3189822500), (10, 2551858000), (16, 1594911250), (20, 1275929000), (25, 1020743200), (31, 823180000), (32, 797455625), (40, 637964500), (50, 510371600), (62, 411590000), (79, 323020000), (80, 318982250), (100, 255185800), (124, 205795000), (125, 204148640), (155, 164636000), (158, 161510000), (160, 159491125), (200, 127592900), (248, 102897500), (250, 102074320), (310, 82318000), (316, 80755000), (395, 64604000), (400, 63796450), (496, 51448750), (500, 51037160), (521, 48980000), (620, 41159000), (625, 40829728), (632, 40377500), (775, 32927200), (790, 32302000), (800, 31898225), (992, 25724375), (1000, 25518580), (1042, 24490000), (1240, 20579500), (1250, 20414864), (1264, 20188750), (1550, 16463600), (1580, 16151000), (1975, 12920800), (2000, 12759290), (2084, 12245000), (2449, 10420000), (2480, 10289750), (2500, 10207432), (2528, 10094375), (2605, 9796000), (3100, 8231800), (3160, 8075500), (3875, 6585440), (3950, 6460400), (4000, 6379645), (4168, 6122500), (4898, 5210000), (4960, 5144875), (5000, 5103716), (5210, 4898000), (6200, 4115900), (6320, 4037750), (7750, 3292720), (7900, 3230200), (8336, 3061250), (9796, 2605000), (9875, 2584160), (10000, 2551858), (10420, 2449000), (12245, 2084000), (12400, 2057950), (12640, 2018875), (13025, 1959200), (15500, 1646360), (15800, 1615100), (16151, 1580000), (16672, 1530625), (19375, 1317088), (19592, 1302500), (19750, 1292080), (20000, 1275929), (20840, 1224500), (24490, 1042000), (24800, 1028975), (26050, 979600), (31000, 823180), (31600, 807550), (32302, 790000), (38750, 658544), (39184, 651250), (39500, 646040), (41159, 620000), (41680, 612250), (48980, 521000), (49375, 516832), (52100, 489800), (61225, 416800), (62000, 411590), (63200, 403775), (64604, 395000), (65125, 391840), (77500, 329272), (78368, 325625), (79000, 323020), (80755, 316000), (82318, 310000), (83360, 306125), (97960, 260500), (98750, 258416), (104200, 244900), (122450, 208400), (124000, 205795), (129208, 197500), (130250, 195920), (155000, 164636), (158000, 161510)]