28463380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129379}}^1$

素因数の和:129399

約数の個数: 24

約数和(自身を含む): 65207520

約数和(自身を除く): 36744140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129379, 258758, 517516, 646895, 1293790, 1423169, 2587580, 2846338, 5692676, 7115845, 14231690, 28463380]

約数ペア:

[(1, 28463380), (2, 14231690), (4, 7115845), (5, 5692676), (10, 2846338), (11, 2587580), (20, 1423169), (22, 1293790), (44, 646895), (55, 517516), (110, 258758), (220, 129379)]