28182580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34369}}^1$

素因数の和:34419

約数の個数: 24

約数和(自身を含む): 60628680

約数和(自身を除く): 32446100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34369, 68738, 137476, 171845, 343690, 687380, 1409129, 2818258, 5636516, 7045645, 14091290, 28182580]

約数ペア:

[(1, 28182580), (2, 14091290), (4, 7045645), (5, 5636516), (10, 2818258), (20, 1409129), (41, 687380), (82, 343690), (164, 171845), (205, 137476), (410, 68738), (820, 34369)]