What is the median of factors?

When you order the factors from least to greatest, the middle number is the median... ie: 9, 3, 10, 7, 2, 1... n order: 1, 2, 3, 7, 9, 10... the median: 5, since 3 and 7 are both the middle, 5 is in the middle of 3 and 7...