8025680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7717}}^1$

素因数の和:7743

約数の個数: 40

約数和(自身を含む): 20097672

約数和(自身を除く): 12071992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7717, 15434, 30868, 38585, 61736, 77170, 100321, 123472, 154340, 200642, 308680, 401284, 501605, 617360, 802568, 1003210, 1605136, 2006420, 4012840, 8025680]

約数ペア:

[(1, 8025680), (2, 4012840), (4, 2006420), (5, 1605136), (8, 1003210), (10, 802568), (13, 617360), (16, 501605), (20, 401284), (26, 308680), (40, 200642), (52, 154340), (65, 123472), (80, 100321), (104, 77170), (130, 61736), (208, 38585), (260, 30868), (520, 15434), (1040, 7717)]