680347840

素因数分解:

$2^6\times 5^1\times {\mathrm{2126087}}^1$

素因数の和:2126104

約数の個数: 28

約数和(自身を含む): 1620079056

約数和(自身を除く): 939731216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2126087, 4252174, 8504348, 10630435, 17008696, 21260870, 34017392, 42521740, 68034784, 85043480, 136069568, 170086960, 340173920, 680347840]

約数ペア:

[(1, 680347840), (2, 340173920), (4, 170086960), (5, 136069568), (8, 85043480), (10, 68034784), (16, 42521740), (20, 34017392), (32, 21260870), (40, 17008696), (64, 10630435), (80, 8504348), (160, 4252174), (320, 2126087)]