225517820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1025081}}^1$

素因数の和:1025101

約数の個数: 24

約数和(自身を含む): 516641328

約数和(自身を除く): 291123508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1025081, 2050162, 4100324, 5125405, 10250810, 11275891, 20501620, 22551782, 45103564, 56379455, 112758910, 225517820]

約数ペア:

[(1, 225517820), (2, 112758910), (4, 56379455), (5, 45103564), (10, 22551782), (11, 20501620), (20, 11275891), (22, 10250810), (44, 5125405), (55, 4100324), (110, 2050162), (220, 1025081)]