71457740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123203}}^1$

素因数の和:123241

約数の個数: 24

約数和(自身を含む): 155237040

約数和(自身を除く): 83779300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 123203, 246406, 492812, 616015, 1232030, 2464060, 3572887, 7145774, 14291548, 17864435, 35728870, 71457740]

約数ペア:

[(1, 71457740), (2, 35728870), (4, 17864435), (5, 14291548), (10, 7145774), (20, 3572887), (29, 2464060), (58, 1232030), (116, 616015), (145, 492812), (290, 246406), (580, 123203)]