80995180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{578537}}^1$

素因数の和:578553

約数の個数: 24

約数和(自身を含む): 194388768

約数和(自身を除く): 113393588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 578537, 1157074, 2314148, 2892685, 4049759, 5785370, 8099518, 11570740, 16199036, 20248795, 40497590, 80995180]

約数ペア:

[(1, 80995180), (2, 40497590), (4, 20248795), (5, 16199036), (7, 11570740), (10, 8099518), (14, 5785370), (20, 4049759), (28, 2892685), (35, 2314148), (70, 1157074), (140, 578537)]