809260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 1740816

約数和(自身を除く): 931556

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 941, 1882, 3764, 4705, 9410, 18820, 40463, 80926, 161852, 202315, 404630, 809260]

約数ペア:

[(1, 809260), (2, 404630), (4, 202315), (5, 161852), (10, 80926), (20, 40463), (43, 18820), (86, 9410), (172, 4705), (215, 3764), (430, 1882), (860, 941)]