15957980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7457}}^1$

素因数の和:7573

約数の個数: 24

約数和(自身を含む): 33829488

約数和(自身を除く): 17871508

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 7457, 14914, 29828, 37285, 74570, 149140, 797899, 1595798, 3191596, 3989495, 7978990, 15957980]

約数ペア:

[(1, 15957980), (2, 7978990), (4, 3989495), (5, 3191596), (10, 1595798), (20, 797899), (107, 149140), (214, 74570), (428, 37285), (535, 29828), (1070, 14914), (2140, 7457)]