13119980

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3109}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 27691440

約数和(自身を除く): 14571460

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 3109, 4220, 6218, 12436, 15545, 31090, 62180, 655999, 1311998, 2623996, 3279995, 6559990, 13119980]

約数ペア:

[(1, 13119980), (2, 6559990), (4, 3279995), (5, 2623996), (10, 1311998), (20, 655999), (211, 62180), (422, 31090), (844, 15545), (1055, 12436), (2110, 6218), (3109, 4220)]