13280863850

素因数分解:

$2^1\times 5^2\times {\mathrm{1277}}^1\times {\mathrm{208001}}^1$

素因数の和:209290

約数の個数: 24

約数和(自身を含む): 24721869708

約数和(自身を除く): 11441005858

約数列:

[1, 2, 5, 10, 25, 50, 1277, 2554, 6385, 12770, 31925, 63850, 208001, 416002, 1040005, 2080010, 5200025, 10400050, 265617277, 531234554, 1328086385, 2656172770, 6640431925, 13280863850]

約数ペア:

[(1, 13280863850), (2, 6640431925), (5, 2656172770), (10, 1328086385), (25, 531234554), (50, 265617277), (1277, 10400050), (2554, 5200025), (6385, 2080010), (12770, 1040005), (31925, 416002), (63850, 208001)]