What is the product of all positive divisors of $100$?

1,2,4,5,10,20,25,50,100 are all the positive divisors of 100. However, rather than straight up multiplying them in random order, I will multiply the opposite ends with each other (100*1, 2*50, 4*25, 5*20) and then multiply 10.

100*1=100

2*50=100

4*25=100

5*20=100

100*100*100*100*10 = 1,000,000,000

Answer: 1,000,000,000