28389050

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{5209}}^1$

素因数の和:5330

約数の個数: 24

約数和(自身を含む): 53298300

約数和(自身を除く): 24909250

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 5209, 5450, 10418, 26045, 52090, 130225, 260450, 567781, 1135562, 2838905, 5677810, 14194525, 28389050]

約数ペア:

[(1, 28389050), (2, 14194525), (5, 5677810), (10, 2838905), (25, 1135562), (50, 567781), (109, 260450), (218, 130225), (545, 52090), (1090, 26045), (2725, 10418), (5209, 5450)]