57260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 137760

約数和(自身を除く): 80500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2863, 4090, 5726, 8180, 11452, 14315, 28630, 57260]

約数ペア:

[(1, 57260), (2, 28630), (4, 14315), (5, 11452), (7, 8180), (10, 5726), (14, 4090), (20, 2863), (28, 2045), (35, 1636), (70, 818), (140, 409)]