13620205

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 16848000

約数和(自身を除く): 3227795

約数列:

[1, 5, 53, 103, 265, 499, 515, 2495, 5459, 26447, 27295, 51397, 132235, 256985, 2724041, 13620205]

約数ペア:

[(1, 13620205), (5, 2724041), (53, 256985), (103, 132235), (265, 51397), (499, 27295), (515, 26447), (2495, 5459)]