25920100

素因数分解:

$2^2\times 5^2\times {\mathrm{259201}}^1$

素因数の和:259215

約数の個数: 18

約数和(自身を含む): 56246834

約数和(自身を除く): 30326734

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 259201, 518402, 1036804, 1296005, 2592010, 5184020, 6480025, 12960050, 25920100]

約数ペア:

[(1, 25920100), (2, 12960050), (4, 6480025), (5, 5184020), (10, 2592010), (20, 1296005), (25, 1036804), (50, 518402), (100, 259201)]