72618680

素因数分解:

$2^3\times 5^1\times {\mathrm{1815467}}^1$

素因数の和:1815478

約数の個数: 16

約数和(自身を含む): 163392120

約数和(自身を除く): 90773440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1815467, 3630934, 7261868, 9077335, 14523736, 18154670, 36309340, 72618680]

約数ペア:

[(1, 72618680), (2, 36309340), (4, 18154670), (5, 14523736), (8, 9077335), (10, 7261868), (20, 3630934), (40, 1815467)]