80163640

素因数分解:

$2^3\times 5^1\times {\mathrm{2004091}}^1$

素因数の和:2004102

約数の個数: 16

約数和(自身を含む): 180368280

約数和(自身を除く): 100204640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2004091, 4008182, 8016364, 10020455, 16032728, 20040910, 40081820, 80163640]

約数ペア:

[(1, 80163640), (2, 40081820), (4, 20040910), (5, 16032728), (8, 10020455), (10, 8016364), (20, 4008182), (40, 2004091)]