28366340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19429}}^1$

素因数の和:19511

約数の個数: 24

約数和(自身を含む): 60388440

約数和(自身を除く): 32022100

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19429, 38858, 77716, 97145, 194290, 388580, 1418317, 2836634, 5673268, 7091585, 14183170, 28366340]

約数ペア:

[(1, 28366340), (2, 14183170), (4, 7091585), (5, 5673268), (10, 2836634), (20, 1418317), (73, 388580), (146, 194290), (292, 97145), (365, 77716), (730, 38858), (1460, 19429)]