28288100

素因数分解:

$2^2\times 5^2\times {\mathrm{282881}}^1$

素因数の和:282895

約数の個数: 18

約数和(自身を含む): 61385394

約数和(自身を除く): 33097294

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 282881, 565762, 1131524, 1414405, 2828810, 5657620, 7072025, 14144050, 28288100]

約数ペア:

[(1, 28288100), (2, 14144050), (4, 7072025), (5, 5657620), (10, 2828810), (20, 1414405), (25, 1131524), (50, 565762), (100, 282881)]