25642040

素因数分解:

$2^3\times 5^1\times {\mathrm{641051}}^1$

素因数の和:641062

約数の個数: 16

約数和(自身を含む): 57694680

約数和(自身を除く): 32052640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641051, 1282102, 2564204, 3205255, 5128408, 6410510, 12821020, 25642040]

約数ペア:

[(1, 25642040), (2, 12821020), (4, 6410510), (5, 5128408), (8, 3205255), (10, 2564204), (20, 1282102), (40, 641051)]