89688820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{344957}}^1$

素因数の和:344979

約数の個数: 24

約数和(自身を含む): 202835304

約数和(自身を除く): 113146484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 344957, 689914, 1379828, 1724785, 3449570, 4484441, 6899140, 8968882, 17937764, 22422205, 44844410, 89688820]

約数ペア:

[(1, 89688820), (2, 44844410), (4, 22422205), (5, 17937764), (10, 8968882), (13, 6899140), (20, 4484441), (26, 3449570), (52, 1724785), (65, 1379828), (130, 689914), (260, 344957)]