80857856

素因数分解:

$2^8\times {\mathrm{315851}}^1$

素因数の和:315867

約数の個数: 18

約数和(自身を含む): 161400372

約数和(自身を除く): 80542516

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 315851, 631702, 1263404, 2526808, 5053616, 10107232, 20214464, 40428928, 80857856]

約数ペア:

[(1, 80857856), (2, 40428928), (4, 20214464), (8, 10107232), (16, 5053616), (32, 2526808), (64, 1263404), (128, 631702), (256, 315851)]