82531660

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{4139}}^1$

素因数の和:5145

約数の個数: 24

約数和(自身を含む): 173532240

約数和(自身を除く): 91000580

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4139, 4985, 8278, 9970, 16556, 19940, 20695, 41390, 82780, 4126583, 8253166, 16506332, 20632915, 41265830, 82531660]

約数ペア:

[(1, 82531660), (2, 41265830), (4, 20632915), (5, 16506332), (10, 8253166), (20, 4126583), (997, 82780), (1994, 41390), (3988, 20695), (4139, 19940), (4985, 16556), (8278, 9970)]