Answer
$61176$
Work Step by Step
The sum of the fifth powers of the first $n$ integers can be obtained by the following formula: $\frac{n^2(n+1)^2(2n^2+2n-1)}{12}.$
Thus the sum:$\frac{8^2(8+1)^2(2(8)^2+2(8)-1)}{12}=\frac{64(81)(143)}{12}=61176$