2560828

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 18

約数和(自身を含む): 4581248

約数和(自身を除く): 2020420

約数列:

[1, 2, 4, 71, 127, 142, 254, 284, 508, 5041, 9017, 10082, 18034, 20164, 36068, 640207, 1280414, 2560828]

約数ペア:

[(1, 2560828), (2, 1280414), (4, 640207), (71, 36068), (127, 20164), (142, 18034), (254, 10082), (284, 9017), (508, 5041)]