20346417500

素因数分解:

$2^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4027}}^1$

素因数の和:4141

約数の個数: 120

約数和(自身を含む): 46508512512

約数和(自身を除く): 26162095012

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 125, 172, 188, 215, 235, 250, 430, 470, 500, 625, 860, 940, 1075, 1175, 1250, 2021, 2150, 2350, 2500, 4027, 4042, 4300, 4700, 5375, 5875, 8054, 8084, 10105, 10750, 11750, 16108, 20135, 20210, 21500, 23500, 26875, 29375, 40270, 40420, 50525, 53750, 58750, 80540, 100675, 101050, 107500, 117500, 173161, 189269, 201350, 202100, 252625, 346322, 378538, 402700, 503375, 505250, 692644, 757076, 865805, 946345, 1006750, 1010500, 1263125, 1731610, 1892690, 2013500, 2516875, 2526250, 3463220, 3785380, 4329025, 4731725, 5033750, 5052500, 8138567, 8658050, 9463450, 10067500, 16277134, 17316100, 18926900, 21645125, 23658625, 32554268, 40692835, 43290250, 47317250, 81385670, 86580500, 94634500, 108225625, 118293125, 162771340, 203464175, 216451250, 236586250, 406928350, 432902500, 473172500, 813856700, 1017320875, 2034641750, 4069283500, 5086604375, 10173208750, 20346417500]

約数ペア:

[(1, 20346417500), (2, 10173208750), (4, 5086604375), (5, 4069283500), (10, 2034641750), (20, 1017320875), (25, 813856700), (43, 473172500), (47, 432902500), (50, 406928350), (86, 236586250), (94, 216451250), (100, 203464175), (125, 162771340), (172, 118293125), (188, 108225625), (215, 94634500), (235, 86580500), (250, 81385670), (430, 47317250), (470, 43290250), (500, 40692835), (625, 32554268), (860, 23658625), (940, 21645125), (1075, 18926900), (1175, 17316100), (1250, 16277134), (2021, 10067500), (2150, 9463450), (2350, 8658050), (2500, 8138567), (4027, 5052500), (4042, 5033750), (4300, 4731725), (4700, 4329025), (5375, 3785380), (5875, 3463220), (8054, 2526250), (8084, 2516875), (10105, 2013500), (10750, 1892690), (11750, 1731610), (16108, 1263125), (20135, 1010500), (20210, 1006750), (21500, 946345), (23500, 865805), (26875, 757076), (29375, 692644), (40270, 505250), (40420, 503375), (50525, 402700), (53750, 378538), (58750, 346322), (80540, 252625), (100675, 202100), (101050, 201350), (107500, 189269), (117500, 173161)]