115665680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111217}}^1$

素因数の和:111243

約数の個数: 40

約数和(自身を含む): 289611672

約数和(自身を除く): 173945992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 111217, 222434, 444868, 556085, 889736, 1112170, 1445821, 1779472, 2224340, 2891642, 4448680, 5783284, 7229105, 8897360, 11566568, 14458210, 23133136, 28916420, 57832840, 115665680]

約数ペア:

[(1, 115665680), (2, 57832840), (4, 28916420), (5, 23133136), (8, 14458210), (10, 11566568), (13, 8897360), (16, 7229105), (20, 5783284), (26, 4448680), (40, 2891642), (52, 2224340), (65, 1779472), (80, 1445821), (104, 1112170), (130, 889736), (208, 556085), (260, 444868), (520, 222434), (1040, 111217)]