69753670640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{25903}}^1$

素因数の和:26778

約数の個数: 80

約数和(自身を含む): 166341603456

約数和(自身を除く): 96587932816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 821, 1640, 1642, 3280, 3284, 4105, 6568, 8210, 13136, 16420, 25903, 32840, 33661, 51806, 65680, 67322, 103612, 129515, 134644, 168305, 207224, 259030, 269288, 336610, 414448, 518060, 538576, 673220, 1036120, 1062023, 1346440, 2072240, 2124046, 2692880, 4248092, 5310115, 8496184, 10620230, 16992368, 21240460, 21266363, 42480920, 42532726, 84961840, 85065452, 106331815, 170130904, 212663630, 340261808, 425327260, 850654520, 871920883, 1701309040, 1743841766, 3487683532, 4359604415, 6975367064, 8719208830, 13950734128, 17438417660, 34876835320, 69753670640]

約数ペア:

[(1, 69753670640), (2, 34876835320), (4, 17438417660), (5, 13950734128), (8, 8719208830), (10, 6975367064), (16, 4359604415), (20, 3487683532), (40, 1743841766), (41, 1701309040), (80, 871920883), (82, 850654520), (164, 425327260), (205, 340261808), (328, 212663630), (410, 170130904), (656, 106331815), (820, 85065452), (821, 84961840), (1640, 42532726), (1642, 42480920), (3280, 21266363), (3284, 21240460), (4105, 16992368), (6568, 10620230), (8210, 8496184), (13136, 5310115), (16420, 4248092), (25903, 2692880), (32840, 2124046), (33661, 2072240), (51806, 1346440), (65680, 1062023), (67322, 1036120), (103612, 673220), (129515, 538576), (134644, 518060), (168305, 414448), (207224, 336610), (259030, 269288)]