82783340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21011}}^1$

素因数の和:21217

約数の個数: 24

約数和(自身を含む): 174735792

約数和(自身を除く): 91952452

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 21011, 42022, 84044, 105055, 210110, 420220, 4139167, 8278334, 16556668, 20695835, 41391670, 82783340]

約数ペア:

[(1, 82783340), (2, 41391670), (4, 20695835), (5, 16556668), (10, 8278334), (20, 4139167), (197, 420220), (394, 210110), (788, 105055), (985, 84044), (1970, 42022), (3940, 21011)]