91051580

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{11131}}^1$

素因数の和:11549

約数の個数: 24

約数和(自身を含む): 191693040

約数和(自身を除く): 100641460

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 11131, 22262, 44524, 55655, 111310, 222620, 4552579, 9105158, 18210316, 22762895, 45525790, 91051580]

約数ペア:

[(1, 91051580), (2, 45525790), (4, 22762895), (5, 18210316), (10, 9105158), (20, 4552579), (409, 222620), (818, 111310), (1636, 55655), (2045, 44524), (4090, 22262), (8180, 11131)]