205881260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{791851}}^1$

素因数の和:791873

約数の個数: 24

約数和(自身を含む): 465608976

約数和(自身を除く): 259727716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 791851, 1583702, 3167404, 3959255, 7918510, 10294063, 15837020, 20588126, 41176252, 51470315, 102940630, 205881260]

約数ペア:

[(1, 205881260), (2, 102940630), (4, 51470315), (5, 41176252), (10, 20588126), (13, 15837020), (20, 10294063), (26, 7918510), (52, 3959255), (65, 3167404), (130, 1583702), (260, 791851)]