28768100

素因数分解:

$2^2\times 5^2\times {\mathrm{287681}}^1$

素因数の和:287695

約数の個数: 18

約数和(自身を含む): 62426994

約数和(自身を除く): 33658894

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 287681, 575362, 1150724, 1438405, 2876810, 5753620, 7192025, 14384050, 28768100]

約数ペア:

[(1, 28768100), (2, 14384050), (4, 7192025), (5, 5753620), (10, 2876810), (20, 1438405), (25, 1150724), (50, 575362), (100, 287681)]