80940836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1065011}}^1$

素因数の和:1065034

約数の個数: 12

約数和(自身を含む): 149101680

約数和(自身を除く): 68160844

約数列:

[1, 2, 4, 19, 38, 76, 1065011, 2130022, 4260044, 20235209, 40470418, 80940836]

約数ペア:

[(1, 80940836), (2, 40470418), (4, 20235209), (19, 4260044), (38, 2130022), (76, 1065011)]