2580254260

素因数分解:

$2^2\times 5^1\times {\mathrm{129012713}}^1$

素因数の和:129012722

約数の個数: 12

約数和(自身を含む): 5418533988

約数和(自身を除く): 2838279728

約数列:

[1, 2, 4, 5, 10, 20, 129012713, 258025426, 516050852, 645063565, 1290127130, 2580254260]

約数ペア:

[(1, 2580254260), (2, 1290127130), (4, 645063565), (5, 516050852), (10, 258025426), (20, 129012713)]