27920410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{398863}}^1$

素因数の和:398877

約数の個数: 16

約数和(自身を含む): 57436416

約数和(自身を除く): 29516006

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 398863, 797726, 1994315, 2792041, 3988630, 5584082, 13960205, 27920410]

約数ペア:

[(1, 27920410), (2, 13960205), (5, 5584082), (7, 3988630), (10, 2792041), (14, 1994315), (35, 797726), (70, 398863)]