57247540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{408911}}^1$

素因数の和:408927

約数の個数: 24

約数和(自身を含む): 137394432

約数和(自身を除く): 80146892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 408911, 817822, 1635644, 2044555, 2862377, 4089110, 5724754, 8178220, 11449508, 14311885, 28623770, 57247540]

約数ペア:

[(1, 57247540), (2, 28623770), (4, 14311885), (5, 11449508), (7, 8178220), (10, 5724754), (14, 4089110), (20, 2862377), (28, 2044555), (35, 1635644), (70, 817822), (140, 408911)]