15956560

素因数分解:

$2^4\times 5^1\times {\mathrm{199457}}^1$

素因数の和:199470

約数の個数: 20

約数和(自身を含む): 37099188

約数和(自身を除く): 21142628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199457, 398914, 797828, 997285, 1595656, 1994570, 3191312, 3989140, 7978280, 15956560]

約数ペア:

[(1, 15956560), (2, 7978280), (4, 3989140), (5, 3191312), (8, 1994570), (10, 1595656), (16, 997285), (20, 797828), (40, 398914), (80, 199457)]