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+---- Thread: Zumkeller numbers (/showthread.php?tid=442)
Zumkeller numbers - mklabgr - 06-16-2026
Summary
Zumkeller numbers are the set of numbers whose divisors can be partitioned into two disjoint sets that sum to the same value. Each sum must contain divisor values that are not in the other sum, and all of the divisors must be in one or the other. There are no restrictions on how the divisors are partitioned, only that the two partition sums are equal.
ARTICLE