20040644405

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{180701}}^1$

素因数の和:181288

約数の個数: 16

約数和(自身を含む): 24681001968

約数和(自身を除く): 4640357563

約数列:

[1, 5, 41, 205, 541, 2705, 22181, 110905, 180701, 903505, 7408741, 37043705, 97759241, 488796205, 4008128881, 20040644405]

約数ペア:

[(1, 20040644405), (5, 4008128881), (41, 488796205), (205, 97759241), (541, 37043705), (2705, 7408741), (22181, 903505), (110905, 180701)]