There are n people who belong to the snake, and their birthdays are all on March 17. The sum of their ages this year is 125, and the product of their ages is 5175625. Then n=how many.
有n个人都属蛇，生日都是3月17日，今年他们年龄之和是125，年龄数之乘积是5175625，则n=多少．
<result>5</result>