2065490260

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{127657}}^1$

素因数の和:128475

約数の個数: 24

約数和(自身を含む): 4342925160

約数和(自身を除く): 2277434900

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 127657, 255314, 510628, 638285, 1276570, 2553140, 103274513, 206549026, 413098052, 516372565, 1032745130, 2065490260]

約数ペア:

[(1, 2065490260), (2, 1032745130), (4, 516372565), (5, 413098052), (10, 206549026), (20, 103274513), (809, 2553140), (1618, 1276570), (3236, 638285), (4045, 510628), (8090, 255314), (16180, 127657)]