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CUET
-- Applied Mathematics - Section B2
Numbers, Quantification and Numerical Applications
If t(n) = Number of positive divisors of n, n ∈ N, then what is the value of $t(16)$?
5
4
7
6
The correct answer is option (1) : 5
$16= 1×16$
$16=2×8$
$16=4×4$
So, positive divisions of 16 are 1, 2, 4, 8, 16
$∴t(16)= 5$