28365640

素因数分解:

$2^3\times 5^1\times {\mathrm{709141}}^1$

素因数の和:709152

約数の個数: 16

約数和(自身を含む): 63822780

約数和(自身を除く): 35457140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709141, 1418282, 2836564, 3545705, 5673128, 7091410, 14182820, 28365640]

約数ペア:

[(1, 28365640), (2, 14182820), (4, 7091410), (5, 5673128), (8, 3545705), (10, 2836564), (20, 1418282), (40, 709141)]