20582080

素因数分解:

$2^6\times 5^1\times {\mathrm{64319}}^1$

素因数の和:64336

約数の個数: 28

約数和(自身を含む): 49011840

約数和(自身を除く): 28429760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 64319, 128638, 257276, 321595, 514552, 643190, 1029104, 1286380, 2058208, 2572760, 4116416, 5145520, 10291040, 20582080]

約数ペア:

[(1, 20582080), (2, 10291040), (4, 5145520), (5, 4116416), (8, 2572760), (10, 2058208), (16, 1286380), (20, 1029104), (32, 643190), (40, 514552), (64, 321595), (80, 257276), (160, 128638), (320, 64319)]