26162380

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1979}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 55051920

約数和(自身を除く): 28889540

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 1979, 2644, 3305, 3958, 6610, 7916, 9895, 13220, 19790, 39580, 1308119, 2616238, 5232476, 6540595, 13081190, 26162380]

約数ペア:

[(1, 26162380), (2, 13081190), (4, 6540595), (5, 5232476), (10, 2616238), (20, 1308119), (661, 39580), (1322, 19790), (1979, 13220), (2644, 9895), (3305, 7916), (3958, 6610)]