You can also use this divisor to see how an individual stock influences the average .

你还可以用这个除数来考察某只股票是如何影响这个平均数的。

Greek mathematicians took a special interest in numbers that are equal to the sum of their proper divisors ( a proper divisor of n is any divisor less than n itself ) .

希腊数学家对特殊的数字非常感兴趣，这种数字等于它所有完全除数因子的和（n的完全除数因子是比n小的所有除数因子）。

If divisor and dividend are floating-point types , the returned value is also floating-point .

如果除数和被除数都是浮点型，则返回值也是浮点型。