28207850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{51287}}^1$

素因数の和:51310

約数の個数: 24

約数和(自身を含む): 57237408

約数和(自身を除く): 29029558

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 51287, 102574, 256435, 512870, 564157, 1128314, 1282175, 2564350, 2820785, 5641570, 14103925, 28207850]

約数ペア:

[(1, 28207850), (2, 14103925), (5, 5641570), (10, 2820785), (11, 2564350), (22, 1282175), (25, 1128314), (50, 564157), (55, 512870), (110, 256435), (275, 102574), (550, 51287)]