28125640

素因数分解:

$2^3\times 5^1\times {\mathrm{703141}}^1$

素因数の和:703152

約数の個数: 16

約数和(自身を含む): 63282780

約数和(自身を除く): 35157140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 703141, 1406282, 2812564, 3515705, 5625128, 7031410, 14062820, 28125640]

約数ペア:

[(1, 28125640), (2, 14062820), (4, 7031410), (5, 5625128), (8, 3515705), (10, 2812564), (20, 1406282), (40, 703141)]