77639225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 102672000

約数和(自身を除く): 25032775

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1501, 1975, 2069, 7505, 10345, 37525, 39311, 51725, 163451, 196555, 817255, 982775, 3105569, 4086275, 15527845, 77639225]

約数ペア:

[(1, 77639225), (5, 15527845), (19, 4086275), (25, 3105569), (79, 982775), (95, 817255), (395, 196555), (475, 163451), (1501, 51725), (1975, 39311), (2069, 37525), (7505, 10345)]