2988080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:965

約数の個数: 40

約数和(自身を含む): 7124544

約数和(自身を除く): 4136464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 911, 1640, 1822, 3280, 3644, 4555, 7288, 9110, 14576, 18220, 36440, 37351, 72880, 74702, 149404, 186755, 298808, 373510, 597616, 747020, 1494040, 2988080]

約数ペア:

[(1, 2988080), (2, 1494040), (4, 747020), (5, 597616), (8, 373510), (10, 298808), (16, 186755), (20, 149404), (40, 74702), (41, 72880), (80, 37351), (82, 36440), (164, 18220), (205, 14576), (328, 9110), (410, 7288), (656, 4555), (820, 3644), (911, 3280), (1640, 1822)]