42355640

素因数分解:

$2^3\times 5^1\times {\mathrm{1058891}}^1$

素因数の和:1058902

約数の個数: 16

約数和(自身を含む): 95300280

約数和(自身を除く): 52944640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1058891, 2117782, 4235564, 5294455, 8471128, 10588910, 21177820, 42355640]

約数ペア:

[(1, 42355640), (2, 21177820), (4, 10588910), (5, 8471128), (8, 5294455), (10, 4235564), (20, 2117782), (40, 1058891)]