79890725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2129}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 105648000

約数和(自身を除く): 25757275

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1501, 1975, 2129, 7505, 10645, 37525, 40451, 53225, 168191, 202255, 840955, 1011275, 3195629, 4204775, 15978145, 79890725]

約数ペア:

[(1, 79890725), (5, 15978145), (19, 4204775), (25, 3195629), (79, 1011275), (95, 840955), (395, 202255), (475, 168191), (1501, 53225), (1975, 40451), (2129, 37525), (7505, 10645)]