Solve the problem.Show that the numbers 140 and 165 are not amicable.
What will be an ideal response?
The proper divisors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70
1 + 2 + 4 + 5 + 7 + 10 + 14 + 20 + 28 + 35 + 70 = 196 ? 165.
Therefore 140 and 165 are not amicable.
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