8151280

素因数分解:

$2^4\times 5^1\times {\mathrm{101891}}^1$

素因数の和:101904

約数の個数: 20

約数和(自身を含む): 18951912

約数和(自身を除く): 10800632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101891, 203782, 407564, 509455, 815128, 1018910, 1630256, 2037820, 4075640, 8151280]

約数ペア:

[(1, 8151280), (2, 4075640), (4, 2037820), (5, 1630256), (8, 1018910), (10, 815128), (16, 509455), (20, 407564), (40, 203782), (80, 101891)]