12901100

素因数分解:

$2^2\times 5^2\times {\mathrm{129011}}^1$

素因数の和:129025

約数の個数: 18

約数和(自身を含む): 27995604

約数和(自身を除く): 15094504

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 129011, 258022, 516044, 645055, 1290110, 2580220, 3225275, 6450550, 12901100]

約数ペア:

[(1, 12901100), (2, 6450550), (4, 3225275), (5, 2580220), (10, 1290110), (20, 645055), (25, 516044), (50, 258022), (100, 129011)]