12715810

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3109}}^1$

素因数の和:3525

約数の個数: 16

約数和(自身を含む): 22951800

約数和(自身を除く): 10235990

約数列:

[1, 2, 5, 10, 409, 818, 2045, 3109, 4090, 6218, 15545, 31090, 1271581, 2543162, 6357905, 12715810]

約数ペア:

[(1, 12715810), (2, 6357905), (5, 2543162), (10, 1271581), (409, 31090), (818, 15545), (2045, 6218), (3109, 4090)]