42666040

素因数分解:

$2^3\times 5^1\times {\mathrm{1066651}}^1$

素因数の和:1066662

約数の個数: 16

約数和(自身を含む): 95998680

約数和(自身を除く): 53332640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1066651, 2133302, 4266604, 5333255, 8533208, 10666510, 21333020, 42666040]

約数ペア:

[(1, 42666040), (2, 21333020), (4, 10666510), (5, 8533208), (8, 5333255), (10, 4266604), (20, 2133302), (40, 1066651)]