7990180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36319}}^1$

素因数の和:36339

約数の個数: 24

約数和(自身を含む): 18305280

約数和(自身を除く): 10315100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 36319, 72638, 145276, 181595, 363190, 399509, 726380, 799018, 1598036, 1997545, 3995090, 7990180]

約数ペア:

[(1, 7990180), (2, 3995090), (4, 1997545), (5, 1598036), (10, 799018), (11, 726380), (20, 399509), (22, 363190), (44, 181595), (55, 145276), (110, 72638), (220, 36319)]