81880895

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{3049}}^1$

素因数の和:3226

約数の個数: 16

約数和(自身を含む): 101455200

約数和(自身を除く): 19574305

約数列:

[1, 5, 41, 131, 205, 655, 3049, 5371, 15245, 26855, 125009, 399419, 625045, 1997095, 16376179, 81880895]

約数ペア:

[(1, 81880895), (5, 16376179), (41, 1997095), (131, 625045), (205, 399419), (655, 125009), (3049, 26855), (5371, 15245)]