20625100

素因数分解:

$2^2\times 5^2\times {\mathrm{206251}}^1$

素因数の和:206265

約数の個数: 18

約数和(自身を含む): 44756684

約数和(自身を除く): 24131584

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 206251, 412502, 825004, 1031255, 2062510, 4125020, 5156275, 10312550, 20625100]

約数ペア:

[(1, 20625100), (2, 10312550), (4, 5156275), (5, 4125020), (10, 2062510), (20, 1031255), (25, 825004), (50, 412502), (100, 206251)]