78663820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{34807}}^1$

素因数の和:34929

約数の個数: 24

約数和(自身を含む): 166660704

約数和(自身を除く): 87996884

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 34807, 69614, 139228, 174035, 348070, 696140, 3933191, 7866382, 15732764, 19665955, 39331910, 78663820]

約数ペア:

[(1, 78663820), (2, 39331910), (4, 19665955), (5, 15732764), (10, 7866382), (20, 3933191), (113, 696140), (226, 348070), (452, 174035), (565, 139228), (1130, 69614), (2260, 34807)]