28267540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201911}}^1$

素因数の和:201927

約数の個数: 24

約数和(自身を含む): 67842432

約数和(自身を除く): 39574892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201911, 403822, 807644, 1009555, 1413377, 2019110, 2826754, 4038220, 5653508, 7066885, 14133770, 28267540]

約数ペア:

[(1, 28267540), (2, 14133770), (4, 7066885), (5, 5653508), (7, 4038220), (10, 2826754), (14, 2019110), (20, 1413377), (28, 1009555), (35, 807644), (70, 403822), (140, 201911)]