39956780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68891}}^1$

素因数の和:68929

約数の個数: 24

約数和(自身を含む): 86803920

約数和(自身を除く): 46847140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 68891, 137782, 275564, 344455, 688910, 1377820, 1997839, 3995678, 7991356, 9989195, 19978390, 39956780]

約数ペア:

[(1, 39956780), (2, 19978390), (4, 9989195), (5, 7991356), (10, 3995678), (20, 1997839), (29, 1377820), (58, 688910), (116, 344455), (145, 275564), (290, 137782), (580, 68891)]