2078540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1009}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 4411680

約数和(自身を除く): 2333140

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1009, 1030, 2018, 2060, 4036, 5045, 10090, 20180, 103927, 207854, 415708, 519635, 1039270, 2078540]

約数ペア:

[(1, 2078540), (2, 1039270), (4, 519635), (5, 415708), (10, 207854), (20, 103927), (103, 20180), (206, 10090), (412, 5045), (515, 4036), (1009, 2060), (1030, 2018)]