201620800

素因数分解:

$2^6\times 5^2\times {\mathrm{126013}}^1$

素因数の和:126035

約数の個数: 42

約数和(自身を含む): 496117118

約数和(自身を除く): 294496318

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 126013, 252026, 504052, 630065, 1008104, 1260130, 2016208, 2520260, 3150325, 4032416, 5040520, 6300650, 8064832, 10081040, 12601300, 20162080, 25202600, 40324160, 50405200, 100810400, 201620800]

約数ペア:

[(1, 201620800), (2, 100810400), (4, 50405200), (5, 40324160), (8, 25202600), (10, 20162080), (16, 12601300), (20, 10081040), (25, 8064832), (32, 6300650), (40, 5040520), (50, 4032416), (64, 3150325), (80, 2520260), (100, 2016208), (160, 1260130), (200, 1008104), (320, 630065), (400, 504052), (800, 252026), (1600, 126013)]