13457740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23203}}^1$

素因数の和:23241

約数の個数: 24

約数和(自身を含む): 29237040

約数和(自身を除く): 15779300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 23203, 46406, 92812, 116015, 232030, 464060, 672887, 1345774, 2691548, 3364435, 6728870, 13457740]

約数ペア:

[(1, 13457740), (2, 6728870), (4, 3364435), (5, 2691548), (10, 1345774), (20, 672887), (29, 464060), (58, 232030), (116, 116015), (145, 92812), (290, 46406), (580, 23203)]