13215500

素因数分解:

$2^2\times 5^3\times {\mathrm{26431}}^1$

素因数の和:26450

約数の個数: 24

約数和(自身を含む): 28863744

約数和(自身を除く): 15648244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 26431, 52862, 105724, 132155, 264310, 528620, 660775, 1321550, 2643100, 3303875, 6607750, 13215500]

約数ペア:

[(1, 13215500), (2, 6607750), (4, 3303875), (5, 2643100), (10, 1321550), (20, 660775), (25, 528620), (50, 264310), (100, 132155), (125, 105724), (250, 52862), (500, 26431)]