26657780

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1321}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 56079240

約数和(自身を除く): 29421460

約数列:

[1, 2, 4, 5, 10, 20, 1009, 1321, 2018, 2642, 4036, 5045, 5284, 6605, 10090, 13210, 20180, 26420, 1332889, 2665778, 5331556, 6664445, 13328890, 26657780]

約数ペア:

[(1, 26657780), (2, 13328890), (4, 6664445), (5, 5331556), (10, 2665778), (20, 1332889), (1009, 26420), (1321, 20180), (2018, 13210), (2642, 10090), (4036, 6605), (5045, 5284)]