10215500

素因数分解:

$2^2\times 5^3\times {\mathrm{20431}}^1$

素因数の和:20450

約数の個数: 24

約数和(自身を含む): 22311744

約数和(自身を除く): 12096244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 20431, 40862, 81724, 102155, 204310, 408620, 510775, 1021550, 2043100, 2553875, 5107750, 10215500]

約数ペア:

[(1, 10215500), (2, 5107750), (4, 2553875), (5, 2043100), (10, 1021550), (20, 510775), (25, 408620), (50, 204310), (100, 102155), (125, 81724), (250, 40862), (500, 20431)]