158860720

素因数分解:

$2^4\times 5^1\times {\mathrm{1985759}}^1$

素因数の和:1985772

約数の個数: 20

約数和(自身を含む): 369351360

約数和(自身を除く): 210490640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1985759, 3971518, 7943036, 9928795, 15886072, 19857590, 31772144, 39715180, 79430360, 158860720]

約数ペア:

[(1, 158860720), (2, 79430360), (4, 39715180), (5, 31772144), (8, 19857590), (10, 15886072), (16, 9928795), (20, 7943036), (40, 3971518), (80, 1985759)]