81940445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1871}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 103783680

約数和(自身を除く): 21843235

約数列:

[1, 5, 19, 95, 461, 1871, 2305, 8759, 9355, 35549, 43795, 177745, 862531, 4312655, 16388089, 81940445]

約数ペア:

[(1, 81940445), (5, 16388089), (19, 4312655), (95, 862531), (461, 177745), (1871, 43795), (2305, 35549), (8759, 9355)]