80872976

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71191}}^1$

素因数の和:71270

約数の個数: 20

約数和(自身を含む): 158900544

約数和(自身を除く): 78027568

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71191, 142382, 284764, 569528, 1139056, 5054561, 10109122, 20218244, 40436488, 80872976]

約数ペア:

[(1, 80872976), (2, 40436488), (4, 20218244), (8, 10109122), (16, 5054561), (71, 1139056), (142, 569528), (284, 284764), (568, 142382), (1136, 71191)]