81272045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{396449}}^1$

素因数の和:396495

約数の個数: 8

約数和(自身を含む): 99905400

約数和(自身を除く): 18633355

約数列:

[1, 5, 41, 205, 396449, 1982245, 16254409, 81272045]

約数ペア:

[(1, 81272045), (5, 16254409), (41, 1982245), (205, 396449)]