80904844

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{10939}}^1$

素因数の和:11029

約数の個数: 18

約数和(自身を含む): 144965940

約数和(自身を除く): 64061096

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 10939, 21878, 43756, 470377, 940754, 1881508, 20226211, 40452422, 80904844]

約数ペア:

[(1, 80904844), (2, 40452422), (4, 20226211), (43, 1881508), (86, 940754), (172, 470377), (1849, 43756), (3698, 21878), (7396, 10939)]