181220005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{3917}}^1$

素因数の和:4428

約数の個数: 16

約数和(自身を含む): 229438080

約数和(自身を除く): 48218075

約数列:

[1, 5, 19, 95, 487, 2435, 3917, 9253, 19585, 46265, 74423, 372115, 1907579, 9537895, 36244001, 181220005]

約数ペア:

[(1, 181220005), (5, 36244001), (19, 9537895), (95, 1907579), (487, 372115), (2435, 74423), (3917, 46265), (9253, 19585)]