28725100

素因数分解:

$2^2\times 5^2\times {\mathrm{287251}}^1$

素因数の和:287265

約数の個数: 18

約数和(自身を含む): 62333684

約数和(自身を除く): 33608584

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 287251, 574502, 1149004, 1436255, 2872510, 5745020, 7181275, 14362550, 28725100]

約数ペア:

[(1, 28725100), (2, 14362550), (4, 7181275), (5, 5745020), (10, 2872510), (20, 1436255), (25, 1149004), (50, 574502), (100, 287251)]