8207080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29311}}^1$

素因数の和:29329

約数の個数: 32

約数和(自身を含む): 21104640

約数和(自身を除く): 12897560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29311, 58622, 117244, 146555, 205177, 234488, 293110, 410354, 586220, 820708, 1025885, 1172440, 1641416, 2051770, 4103540, 8207080]

約数ペア:

[(1, 8207080), (2, 4103540), (4, 2051770), (5, 1641416), (7, 1172440), (8, 1025885), (10, 820708), (14, 586220), (20, 410354), (28, 293110), (35, 234488), (40, 205177), (56, 146555), (70, 117244), (140, 58622), (280, 29311)]