80915185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{2971}}^1$

素因数の和:3408

約数の個数: 16

約数和(自身を含む): 104852160

約数和(自身を除く): 23936975

約数列:

[1, 5, 13, 65, 419, 2095, 2971, 5447, 14855, 27235, 38623, 193115, 1244849, 6224245, 16183037, 80915185]

約数ペア:

[(1, 80915185), (5, 16183037), (13, 6224245), (65, 1244849), (419, 193115), (2095, 38623), (2971, 27235), (5447, 14855)]