90907640

素因数分解:

$2^3\times 5^1\times {\mathrm{2272691}}^1$

素因数の和:2272702

約数の個数: 16

約数和(自身を含む): 204542280

約数和(自身を除く): 113634640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2272691, 4545382, 9090764, 11363455, 18181528, 22726910, 45453820, 90907640]

約数ペア:

[(1, 90907640), (2, 45453820), (4, 22726910), (5, 18181528), (8, 11363455), (10, 9090764), (20, 4545382), (40, 2272691)]