51308660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197341}}^1$

素因数の和:197363

約数の個数: 24

約数和(自身を含む): 116037096

約数和(自身を除く): 64728436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197341, 394682, 789364, 986705, 1973410, 2565433, 3946820, 5130866, 10261732, 12827165, 25654330, 51308660]

約数ペア:

[(1, 51308660), (2, 25654330), (4, 12827165), (5, 10261732), (10, 5130866), (13, 3946820), (20, 2565433), (26, 1973410), (52, 986705), (65, 789364), (130, 394682), (260, 197341)]