16280245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 20664000

約数和(自身を除く): 4383755

約数列:

[1, 5, 19, 95, 409, 419, 2045, 2095, 7771, 7961, 38855, 39805, 171371, 856855, 3256049, 16280245]

約数ペア:

[(1, 16280245), (5, 3256049), (19, 856855), (95, 171371), (409, 39805), (419, 38855), (2045, 7961), (2095, 7771)]