7984180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21011}}^1$

素因数の和:21039

約数の個数: 24

約数和(自身を含む): 17650080

約数和(自身を除く): 9665900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21011, 42022, 84044, 105055, 210110, 399209, 420220, 798418, 1596836, 1996045, 3992090, 7984180]

約数ペア:

[(1, 7984180), (2, 3992090), (4, 1996045), (5, 1596836), (10, 798418), (19, 420220), (20, 399209), (38, 210110), (76, 105055), (95, 84044), (190, 42022), (380, 21011)]