80194040

素因数分解:

$2^3\times 5^1\times {\mathrm{2004851}}^1$

素因数の和:2004862

約数の個数: 16

約数和(自身を含む): 180436680

約数和(自身を除く): 100242640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2004851, 4009702, 8019404, 10024255, 16038808, 20048510, 40097020, 80194040]

約数ペア:

[(1, 80194040), (2, 40097020), (4, 20048510), (5, 16038808), (8, 10024255), (10, 8019404), (20, 4009702), (40, 2004851)]