28225550

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{5179}}^1$

素因数の和:5300

約数の個数: 24

約数和(自身を含む): 52991400

約数和(自身を除く): 24765850

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 5179, 5450, 10358, 25895, 51790, 129475, 258950, 564511, 1129022, 2822555, 5645110, 14112775, 28225550]

約数ペア:

[(1, 28225550), (2, 14112775), (5, 5645110), (10, 2822555), (25, 1129022), (50, 564511), (109, 258950), (218, 129475), (545, 51790), (1090, 25895), (2725, 10358), (5179, 5450)]