80343220

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{3041}}^1$

素因数の和:4371

約数の個数: 24

約数和(自身を含む): 168904008

約数和(自身を除く): 88560788

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 3041, 5284, 6082, 6605, 12164, 13210, 15205, 26420, 30410, 60820, 4017161, 8034322, 16068644, 20085805, 40171610, 80343220]

約数ペア:

[(1, 80343220), (2, 40171610), (4, 20085805), (5, 16068644), (10, 8034322), (20, 4017161), (1321, 60820), (2642, 30410), (3041, 26420), (5284, 15205), (6082, 13210), (6605, 12164)]