31672660

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3989}}^1$

素因数の和:4395

約数の個数: 24

約数和(自身を含む): 66696840

約数和(自身を除く): 35024180

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 3989, 7940, 7978, 15956, 19945, 39890, 79780, 1583633, 3167266, 6334532, 7918165, 15836330, 31672660]

約数ペア:

[(1, 31672660), (2, 15836330), (4, 7918165), (5, 6334532), (10, 3167266), (20, 1583633), (397, 79780), (794, 39890), (1588, 19945), (1985, 15956), (3970, 7978), (3989, 7940)]