28726180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205187}}^1$

素因数の和:205203

約数の個数: 24

約数和(自身を含む): 68943168

約数和(自身を除く): 40216988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205187, 410374, 820748, 1025935, 1436309, 2051870, 2872618, 4103740, 5745236, 7181545, 14363090, 28726180]

約数ペア:

[(1, 28726180), (2, 14363090), (4, 7181545), (5, 5745236), (7, 4103740), (10, 2872618), (14, 2051870), (20, 1436309), (28, 1025935), (35, 820748), (70, 410374), (140, 205187)]