40915640

素因数分解:

$2^3\times 5^1\times {\mathrm{1022891}}^1$

素因数の和:1022902

約数の個数: 16

約数和(自身を含む): 92060280

約数和(自身を除く): 51144640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1022891, 2045782, 4091564, 5114455, 8183128, 10228910, 20457820, 40915640]

約数ペア:

[(1, 40915640), (2, 20457820), (4, 10228910), (5, 8183128), (8, 5114455), (10, 4091564), (20, 2045782), (40, 1022891)]