25455080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90911}}^1$

素因数の和:90929

約数の個数: 32

約数和(自身を含む): 65456640

約数和(自身を除く): 40001560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90911, 181822, 363644, 454555, 636377, 727288, 909110, 1272754, 1818220, 2545508, 3181885, 3636440, 5091016, 6363770, 12727540, 25455080]

約数ペア:

[(1, 25455080), (2, 12727540), (4, 6363770), (5, 5091016), (7, 3636440), (8, 3181885), (10, 2545508), (14, 1818220), (20, 1272754), (28, 909110), (35, 727288), (40, 636377), (56, 454555), (70, 363644), (140, 181822), (280, 90911)]