164644960

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2113}}^1$

素因数の和:2615

約数の個数: 48

約数和(自身を含む): 389956896

約数和(自身を除く): 225311936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 2113, 2435, 3896, 4226, 4870, 7792, 8452, 9740, 10565, 15584, 16904, 19480, 21130, 33808, 38960, 42260, 67616, 77920, 84520, 169040, 338080, 1029031, 2058062, 4116124, 5145155, 8232248, 10290310, 16464496, 20580620, 32928992, 41161240, 82322480, 164644960]

約数ペア:

[(1, 164644960), (2, 82322480), (4, 41161240), (5, 32928992), (8, 20580620), (10, 16464496), (16, 10290310), (20, 8232248), (32, 5145155), (40, 4116124), (80, 2058062), (160, 1029031), (487, 338080), (974, 169040), (1948, 84520), (2113, 77920), (2435, 67616), (3896, 42260), (4226, 38960), (4870, 33808), (7792, 21130), (8452, 19480), (9740, 16904), (10565, 15584)]