56512940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256877}}^1$

素因数の和:256897

約数の個数: 24

約数和(自身を含む): 129466512

約数和(自身を除く): 72953572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 256877, 513754, 1027508, 1284385, 2568770, 2825647, 5137540, 5651294, 11302588, 14128235, 28256470, 56512940]

約数ペア:

[(1, 56512940), (2, 28256470), (4, 14128235), (5, 11302588), (10, 5651294), (11, 5137540), (20, 2825647), (22, 2568770), (44, 1284385), (55, 1027508), (110, 513754), (220, 256877)]