ROSECODE 534
Zumkeller Numbers
A Zumkeller number is a number such as the set of its divisors can be partitioned in two subsets of equal sum.
For instance,
and
Find all Zumkeller numbers in the range
Answer format: count,sum
[My timing: 6 sec]
For instance,
Find all Zumkeller numbers in the range
Answer format: count,sum
[My timing: 6 sec]