21625400

素因数分解:

$2^3\times 5^2\times {\mathrm{108127}}^1$

素因数の和:108143

約数の個数: 24

約数和(自身を含む): 50279520

約数和(自身を除く): 28654120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 108127, 216254, 432508, 540635, 865016, 1081270, 2162540, 2703175, 4325080, 5406350, 10812700, 21625400]

約数ペア:

[(1, 21625400), (2, 10812700), (4, 5406350), (5, 4325080), (8, 2703175), (10, 2162540), (20, 1081270), (25, 865016), (40, 540635), (50, 432508), (100, 216254), (200, 108127)]