39998740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18691}}^1$

素因数の和:18807

約数の個数: 24

約数和(自身を含む): 84786912

約数和(自身を除く): 44788172

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 18691, 37382, 74764, 93455, 186910, 373820, 1999937, 3999874, 7999748, 9999685, 19999370, 39998740]

約数ペア:

[(1, 39998740), (2, 19999370), (4, 9999685), (5, 7999748), (10, 3999874), (20, 1999937), (107, 373820), (214, 186910), (428, 93455), (535, 74764), (1070, 37382), (2140, 18691)]