15911980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113657}}^1$

素因数の和:113673

約数の個数: 24

約数和(自身を含む): 38189088

約数和(自身を除く): 22277108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 113657, 227314, 454628, 568285, 795599, 1136570, 1591198, 2273140, 3182396, 3977995, 7955990, 15911980]

約数ペア:

[(1, 15911980), (2, 7955990), (4, 3977995), (5, 3182396), (7, 2273140), (10, 1591198), (14, 1136570), (20, 795599), (28, 568285), (35, 454628), (70, 227314), (140, 113657)]