20178086500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1171}}^1$

素因数の和:1455

約数の個数: 192

約数和(自身を含む): 52032524544

約数和(自身を除く): 31854438044

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 220, 241, 250, 260, 275, 286, 325, 482, 500, 550, 572, 650, 715, 964, 1100, 1171, 1205, 1300, 1375, 1430, 1625, 2342, 2410, 2651, 2750, 2860, 3133, 3250, 3575, 4684, 4820, 5302, 5500, 5855, 6025, 6266, 6500, 7150, 10604, 11710, 12050, 12532, 12881, 13255, 14300, 15223, 15665, 17875, 23420, 24100, 25762, 26510, 29275, 30125, 30446, 31330, 34463, 35750, 51524, 53020, 58550, 60250, 60892, 62660, 64405, 66275, 68926, 71500, 76115, 78325, 117100, 120500, 128810, 132550, 137852, 146375, 152230, 156650, 167453, 172315, 257620, 265100, 282211, 292750, 304460, 313300, 322025, 331375, 334906, 344630, 380575, 391625, 564422, 585500, 644050, 662750, 669812, 689260, 761150, 783250, 837265, 861575, 1128844, 1288100, 1325500, 1411055, 1522300, 1566500, 1610125, 1674530, 1723150, 1902875, 2822110, 3104321, 3220250, 3349060, 3446300, 3668743, 3805750, 4186325, 4307875, 5644220, 6208642, 6440500, 7055275, 7337486, 7611500, 8372650, 8615750, 12417284, 14110550, 14674972, 15521605, 16745300, 17231500, 18343715, 20931625, 28221100, 31043210, 35276375, 36687430, 40356173, 41863250, 62086420, 70552750, 73374860, 77608025, 80712346, 83726500, 91718575, 141105500, 155216050, 161424692, 183437150, 201780865, 310432100, 366874300, 388040125, 403561730, 458592875, 776080250, 807123460, 917185750, 1008904325, 1552160500, 1834371500, 2017808650, 4035617300, 5044521625, 10089043250, 20178086500]

約数ペア:

[(1, 20178086500), (2, 10089043250), (4, 5044521625), (5, 4035617300), (10, 2017808650), (11, 1834371500), (13, 1552160500), (20, 1008904325), (22, 917185750), (25, 807123460), (26, 776080250), (44, 458592875), (50, 403561730), (52, 388040125), (55, 366874300), (65, 310432100), (100, 201780865), (110, 183437150), (125, 161424692), (130, 155216050), (143, 141105500), (220, 91718575), (241, 83726500), (250, 80712346), (260, 77608025), (275, 73374860), (286, 70552750), (325, 62086420), (482, 41863250), (500, 40356173), (550, 36687430), (572, 35276375), (650, 31043210), (715, 28221100), (964, 20931625), (1100, 18343715), (1171, 17231500), (1205, 16745300), (1300, 15521605), (1375, 14674972), (1430, 14110550), (1625, 12417284), (2342, 8615750), (2410, 8372650), (2651, 7611500), (2750, 7337486), (2860, 7055275), (3133, 6440500), (3250, 6208642), (3575, 5644220), (4684, 4307875), (4820, 4186325), (5302, 3805750), (5500, 3668743), (5855, 3446300), (6025, 3349060), (6266, 3220250), (6500, 3104321), (7150, 2822110), (10604, 1902875), (11710, 1723150), (12050, 1674530), (12532, 1610125), (12881, 1566500), (13255, 1522300), (14300, 1411055), (15223, 1325500), (15665, 1288100), (17875, 1128844), (23420, 861575), (24100, 837265), (25762, 783250), (26510, 761150), (29275, 689260), (30125, 669812), (30446, 662750), (31330, 644050), (34463, 585500), (35750, 564422), (51524, 391625), (53020, 380575), (58550, 344630), (60250, 334906), (60892, 331375), (62660, 322025), (64405, 313300), (66275, 304460), (68926, 292750), (71500, 282211), (76115, 265100), (78325, 257620), (117100, 172315), (120500, 167453), (128810, 156650), (132550, 152230), (137852, 146375)]