208316740

素因数分解:

$2^2\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{9817}}^1$

素因数の和:10887

約数の個数: 24

約数和(自身を含む): 437922072

約数和(自身を除く): 229605332

約数列:

[1, 2, 4, 5, 10, 20, 1061, 2122, 4244, 5305, 9817, 10610, 19634, 21220, 39268, 49085, 98170, 196340, 10415837, 20831674, 41663348, 52079185, 104158370, 208316740]

約数ペア:

[(1, 208316740), (2, 104158370), (4, 52079185), (5, 41663348), (10, 20831674), (20, 10415837), (1061, 196340), (2122, 98170), (4244, 49085), (5305, 39268), (9817, 21220), (10610, 19634)]