9780124040

素因数分解:

$2^3\times 5^1\times {\mathrm{244503101}}^1$

素因数の和:244503112

約数の個数: 16

約数和(自身を含む): 22005279180

約数和(自身を除く): 12225155140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 244503101, 489006202, 978012404, 1222515505, 1956024808, 2445031010, 4890062020, 9780124040]

約数ペア:

[(1, 9780124040), (2, 4890062020), (4, 2445031010), (5, 1956024808), (8, 1222515505), (10, 978012404), (20, 489006202), (40, 244503101)]