13456156940

素因数分解:

$2^2\times 5^1\times {\mathrm{2711}}^1\times {\mathrm{248177}}^1$

素因数の和:250897

約数の個数: 24

約数和(自身を含む): 28268466912

約数和(自身を除く): 14812309972

約数列:

[1, 2, 4, 5, 10, 20, 2711, 5422, 10844, 13555, 27110, 54220, 248177, 496354, 992708, 1240885, 2481770, 4963540, 672807847, 1345615694, 2691231388, 3364039235, 6728078470, 13456156940]

約数ペア:

[(1, 13456156940), (2, 6728078470), (4, 3364039235), (5, 2691231388), (10, 1345615694), (20, 672807847), (2711, 4963540), (5422, 2481770), (10844, 1240885), (13555, 992708), (27110, 496354), (54220, 248177)]