164262080

素因数分解:

$2^6\times 5^1\times {\mathrm{513319}}^1$

素因数の和:513336

約数の個数: 28

約数和(自身を含む): 391149840

約数和(自身を除く): 226887760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 513319, 1026638, 2053276, 2566595, 4106552, 5133190, 8213104, 10266380, 16426208, 20532760, 32852416, 41065520, 82131040, 164262080]

約数ペア:

[(1, 164262080), (2, 82131040), (4, 41065520), (5, 32852416), (8, 20532760), (10, 16426208), (16, 10266380), (20, 8213104), (32, 5133190), (40, 4106552), (64, 2566595), (80, 2053276), (160, 1026638), (320, 513319)]