28368020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5651}}^1$

素因数の和:5911

約数の個数: 24

約数和(自身を含む): 59820768

約数和(自身を除く): 31452748

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 5651, 11302, 22604, 28255, 56510, 113020, 1418401, 2836802, 5673604, 7092005, 14184010, 28368020]

約数ペア:

[(1, 28368020), (2, 14184010), (4, 7092005), (5, 5673604), (10, 2836802), (20, 1418401), (251, 113020), (502, 56510), (1004, 28255), (1255, 22604), (2510, 11302), (5020, 5651)]