7521740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5297}}^1$

素因数の和:5377

約数の個数: 24

約数和(自身を含む): 16021152

約数和(自身を除く): 8499412

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5297, 10594, 21188, 26485, 52970, 105940, 376087, 752174, 1504348, 1880435, 3760870, 7521740]

約数ペア:

[(1, 7521740), (2, 3760870), (4, 1880435), (5, 1504348), (10, 752174), (20, 376087), (71, 105940), (142, 52970), (284, 26485), (355, 21188), (710, 10594), (1420, 5297)]