2680820

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 5660928

約数和(自身を除く): 2980108

約数列:

[1, 2, 4, 5, 10, 20, 311, 431, 622, 862, 1244, 1555, 1724, 2155, 3110, 4310, 6220, 8620, 134041, 268082, 536164, 670205, 1340410, 2680820]

約数ペア:

[(1, 2680820), (2, 1340410), (4, 670205), (5, 536164), (10, 268082), (20, 134041), (311, 8620), (431, 6220), (622, 4310), (862, 3110), (1244, 2155), (1555, 1724)]