8510020

素因数分解:

$2^2\times 5^1\times {\mathrm{425501}}^1$

素因数の和:425510

約数の個数: 12

約数和(自身を含む): 17871084

約数和(自身を除く): 9361064

約数列:

[1, 2, 4, 5, 10, 20, 425501, 851002, 1702004, 2127505, 4255010, 8510020]

約数ペア:

[(1, 8510020), (2, 4255010), (4, 2127505), (5, 1702004), (10, 851002), (20, 425501)]