28512100

素因数分解:

$2^2\times 5^2\times {\mathrm{285121}}^1$

素因数の和:285135

約数の個数: 18

約数和(自身を含む): 61871474

約数和(自身を除く): 33359374

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 285121, 570242, 1140484, 1425605, 2851210, 5702420, 7128025, 14256050, 28512100]

約数ペア:

[(1, 28512100), (2, 14256050), (4, 7128025), (5, 5702420), (10, 2851210), (20, 1425605), (25, 1140484), (50, 570242), (100, 285121)]