8098180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 18164160

約数和(自身を除く): 10065980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 211, 380, 404, 422, 505, 844, 1010, 1055, 1919, 2020, 2110, 3838, 4009, 4220, 7676, 8018, 9595, 16036, 19190, 20045, 21311, 38380, 40090, 42622, 80180, 85244, 106555, 213110, 404909, 426220, 809818, 1619636, 2024545, 4049090, 8098180]

約数ペア:

[(1, 8098180), (2, 4049090), (4, 2024545), (5, 1619636), (10, 809818), (19, 426220), (20, 404909), (38, 213110), (76, 106555), (95, 85244), (101, 80180), (190, 42622), (202, 40090), (211, 38380), (380, 21311), (404, 20045), (422, 19190), (505, 16036), (844, 9595), (1010, 8018), (1055, 7676), (1919, 4220), (2020, 4009), (2110, 3838)]