26000335780

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1288421}}^1$

素因数の和:1289439

約数の個数: 24

約数和(自身を含む): 54654861240

約数和(自身を除く): 28654525460

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 20180, 1288421, 2576842, 5153684, 6442105, 12884210, 25768420, 1300016789, 2600033578, 5200067156, 6500083945, 13000167890, 26000335780]

約数ペア:

[(1, 26000335780), (2, 13000167890), (4, 6500083945), (5, 5200067156), (10, 2600033578), (20, 1300016789), (1009, 25768420), (2018, 12884210), (4036, 6442105), (5045, 5153684), (10090, 2576842), (20180, 1288421)]