80408072

素因数分解:

$2^3\times {\mathrm{2129}}^1\times {\mathrm{4721}}^1$

素因数の和:6856

約数の個数: 16

約数和(自身を含む): 150867900

約数和(自身を除く): 70459828

約数列:

[1, 2, 4, 8, 2129, 4258, 4721, 8516, 9442, 17032, 18884, 37768, 10051009, 20102018, 40204036, 80408072]

約数ペア:

[(1, 80408072), (2, 40204036), (4, 20102018), (8, 10051009), (2129, 37768), (4258, 18884), (4721, 17032), (8516, 9442)]