4075640

素因数分解:

$2^3\times 5^1\times {\mathrm{101891}}^1$

素因数の和:101902

約数の個数: 16

約数和(自身を含む): 9170280

約数和(自身を除く): 5094640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101891, 203782, 407564, 509455, 815128, 1018910, 2037820, 4075640]

約数ペア:

[(1, 4075640), (2, 2037820), (4, 1018910), (5, 815128), (8, 509455), (10, 407564), (20, 203782), (40, 101891)]