25820525

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{2861}}^1$

素因数の和:2909

約数の個数: 18

約数和(自身を含む): 33803082

約数和(自身を除く): 7982557

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 2861, 9025, 14305, 54359, 71525, 271795, 1032821, 1358975, 5164105, 25820525]

約数ペア:

[(1, 25820525), (5, 5164105), (19, 1358975), (25, 1032821), (95, 271795), (361, 71525), (475, 54359), (1805, 14305), (2861, 9025)]