71555240

素因数分解:

$2^3\times 5^1\times {\mathrm{1788881}}^1$

素因数の和:1788892

約数の個数: 16

約数和(自身を含む): 160999380

約数和(自身を除く): 89444140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1788881, 3577762, 7155524, 8944405, 14311048, 17888810, 35777620, 71555240]

約数ペア:

[(1, 71555240), (2, 35777620), (4, 17888810), (5, 14311048), (8, 8944405), (10, 7155524), (20, 3577762), (40, 1788881)]