81254125

素因数分解:

$5^3\times {\mathrm{103}}^1\times {\mathrm{6311}}^1$

素因数の和:6429

約数の個数: 16

約数和(自身を含む): 102405888

約数和(自身を除く): 21151763

約数列:

[1, 5, 25, 103, 125, 515, 2575, 6311, 12875, 31555, 157775, 650033, 788875, 3250165, 16250825, 81254125]

約数ペア:

[(1, 81254125), (5, 16250825), (25, 3250165), (103, 788875), (125, 650033), (515, 157775), (2575, 31555), (6311, 12875)]