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2012-2013 SDML (Middle School)
12
Odd and even divisors
Odd and even divisors
Source: 2012-2013 SDML Middle School 1a Problem 12
August 24, 2016
Problem Statement
How many
2
2
2
-digit integers have an equal number of odd and even positive divisors?
(A)
11
(B)
12
(C)
22
(D)
23
(E)
45
\text{(A) }11\qquad\text{(B) }12\qquad\text{(C) }22\qquad\text{(D) }23\qquad\text{(E) }45
(A)
11
(B)
12
(C)
22
(D)
23
(E)
45
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