86720375480

素因数分解:

$2^3\times 5^1\times {\mathrm{2168009387}}^1$

素因数の和:2168009398

約数の個数: 16

約数和(自身を含む): 195120844920

約数和(自身を除く): 108400469440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2168009387, 4336018774, 8672037548, 10840046935, 17344075096, 21680093870, 43360187740, 86720375480]

約数ペア:

[(1, 86720375480), (2, 43360187740), (4, 21680093870), (5, 17344075096), (8, 10840046935), (10, 8672037548), (20, 4336018774), (40, 2168009387)]