13119607580

素因数分解:

$2^2\times 5^1\times {\mathrm{655980379}}^1$

素因数の和:655980388

約数の個数: 12

約数和(自身を含む): 27551175960

約数和(自身を除く): 14431568380

約数列:

[1, 2, 4, 5, 10, 20, 655980379, 1311960758, 2623921516, 3279901895, 6559803790, 13119607580]

約数ペア:

[(1, 13119607580), (2, 6559803790), (4, 3279901895), (5, 2623921516), (10, 1311960758), (20, 655980379)]