80875676

素因数分解:

$2^2\times 7^2\times {\mathrm{449}}^1\times {\mathrm{919}}^1$

素因数の和:1386

約数の個数: 36

約数和(自身を含む): 165186000

約数和(自身を除く): 84310324

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 449, 898, 919, 1796, 1838, 3143, 3676, 6286, 6433, 12572, 12866, 22001, 25732, 44002, 45031, 88004, 90062, 180124, 412631, 825262, 1650524, 2888417, 5776834, 11553668, 20218919, 40437838, 80875676]

約数ペア:

[(1, 80875676), (2, 40437838), (4, 20218919), (7, 11553668), (14, 5776834), (28, 2888417), (49, 1650524), (98, 825262), (196, 412631), (449, 180124), (898, 90062), (919, 88004), (1796, 45031), (1838, 44002), (3143, 25732), (3676, 22001), (6286, 12866), (6433, 12572)]