Factors / Factors of 140

Factors of 140

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

140 breaks into 6 pairs, tested up to √140 ≈ 11.8; each pair multiplies back to 140 exactly. 140's full pair list is (1, 140), (2, 70), (4, 35), (5, 28), (7, 20), (10, 14), for 12 divisors in total. 140's divisors other than 140 itself sum to 196, 56 above 140: abundant. 140 is even, digit sum 5 for 140; small divisors of 140 include 2, 4, 5, 7, 10. 140 has 12 divisors; 139 has 2 and 141 has 4, so 140 wins here. 140 divided by its largest divisor, 70, gives 2.