91651640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{14057}}^1$

素因数の和:14231

約数の個数: 32

約数和(自身を含む): 207496080

約数和(自身を除く): 115844440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 14057, 28114, 56228, 70285, 112456, 140570, 281140, 562280, 2291291, 4582582, 9165164, 11456455, 18330328, 22912910, 45825820, 91651640]

約数ペア:

[(1, 91651640), (2, 45825820), (4, 22912910), (5, 18330328), (8, 11456455), (10, 9165164), (20, 4582582), (40, 2291291), (163, 562280), (326, 281140), (652, 140570), (815, 112456), (1304, 70285), (1630, 56228), (3260, 28114), (6520, 14057)]