12685180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21871}}^1$

素因数の和:21909

約数の個数: 24

約数和(自身を含む): 27558720

約数和(自身を除く): 14873540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21871, 43742, 87484, 109355, 218710, 437420, 634259, 1268518, 2537036, 3171295, 6342590, 12685180]

約数ペア:

[(1, 12685180), (2, 6342590), (4, 3171295), (5, 2537036), (10, 1268518), (20, 634259), (29, 437420), (58, 218710), (116, 109355), (145, 87484), (290, 43742), (580, 21871)]