26261680

素因数分解:

$2^4\times 5^1\times {\mathrm{328271}}^1$

素因数の和:328284

約数の個数: 20

約数和(自身を含む): 61058592

約数和(自身を除く): 34796912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328271, 656542, 1313084, 1641355, 2626168, 3282710, 5252336, 6565420, 13130840, 26261680]

約数ペア:

[(1, 26261680), (2, 13130840), (4, 6565420), (5, 5252336), (8, 3282710), (10, 2626168), (16, 1641355), (20, 1313084), (40, 656542), (80, 328271)]