80316740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{573691}}^1$

素因数の和:573707

約数の個数: 24

約数和(自身を含む): 192760512

約数和(自身を除く): 112443772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 573691, 1147382, 2294764, 2868455, 4015837, 5736910, 8031674, 11473820, 16063348, 20079185, 40158370, 80316740]

約数ペア:

[(1, 80316740), (2, 40158370), (4, 20079185), (5, 16063348), (7, 11473820), (10, 8031674), (14, 5736910), (20, 4015837), (28, 2868455), (35, 2294764), (70, 1147382), (140, 573691)]