457820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2081}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 1049328

約数和(自身を除く): 591508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2081, 4162, 8324, 10405, 20810, 22891, 41620, 45782, 91564, 114455, 228910, 457820]

約数ペア:

[(1, 457820), (2, 228910), (4, 114455), (5, 91564), (10, 45782), (11, 41620), (20, 22891), (22, 20810), (44, 10405), (55, 8324), (110, 4162), (220, 2081)]