13738960

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{863}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 32140800

約数和(自身を除く): 18401840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 863, 995, 1592, 1726, 1990, 3184, 3452, 3980, 4315, 6904, 7960, 8630, 13808, 15920, 17260, 34520, 69040, 171737, 343474, 686948, 858685, 1373896, 1717370, 2747792, 3434740, 6869480, 13738960]

約数ペア:

[(1, 13738960), (2, 6869480), (4, 3434740), (5, 2747792), (8, 1717370), (10, 1373896), (16, 858685), (20, 686948), (40, 343474), (80, 171737), (199, 69040), (398, 34520), (796, 17260), (863, 15920), (995, 13808), (1592, 8630), (1726, 7960), (1990, 6904), (3184, 4315), (3452, 3980)]