72706580

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{9157}}^1$

素因数の和:9563

約数の個数: 24

約数和(自身を含む): 153085128

約数和(自身を除く): 80378548

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 9157, 18314, 36628, 45785, 91570, 183140, 3635329, 7270658, 14541316, 18176645, 36353290, 72706580]

約数ペア:

[(1, 72706580), (2, 36353290), (4, 18176645), (5, 14541316), (10, 7270658), (20, 3635329), (397, 183140), (794, 91570), (1588, 45785), (1985, 36628), (3970, 18314), (7940, 9157)]