5418220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1949}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 11466000

約数和(自身を除く): 6047780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1949, 2780, 3898, 7796, 9745, 19490, 38980, 270911, 541822, 1083644, 1354555, 2709110, 5418220]

約数ペア:

[(1, 5418220), (2, 2709110), (4, 1354555), (5, 1083644), (10, 541822), (20, 270911), (139, 38980), (278, 19490), (556, 9745), (695, 7796), (1390, 3898), (1949, 2780)]