2065520

素因数分解:

$2^4\times 5^1\times {\mathrm{25819}}^1$

素因数の和:25832

約数の個数: 20

約数和(自身を含む): 4802520

約数和(自身を除く): 2737000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25819, 51638, 103276, 129095, 206552, 258190, 413104, 516380, 1032760, 2065520]

約数ペア:

[(1, 2065520), (2, 1032760), (4, 516380), (5, 413104), (8, 258190), (10, 206552), (16, 129095), (20, 103276), (40, 51638), (80, 25819)]