72239080

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5807}}^1$

素因数の和:6129

約数の個数: 32

約数和(自身を含む): 163088640

約数和(自身を除く): 90849560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 5807, 6220, 11614, 12440, 23228, 29035, 46456, 58070, 116140, 232280, 1805977, 3611954, 7223908, 9029885, 14447816, 18059770, 36119540, 72239080]

約数ペア:

[(1, 72239080), (2, 36119540), (4, 18059770), (5, 14447816), (8, 9029885), (10, 7223908), (20, 3611954), (40, 1805977), (311, 232280), (622, 116140), (1244, 58070), (1555, 46456), (2488, 29035), (3110, 23228), (5807, 12440), (6220, 11614)]