1078357400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{131507}}^1$

素因数の和:131564

約数の個数: 48

約数和(自身を含む): 2568351240

約数和(自身を除く): 1489993840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 131507, 263014, 526028, 657535, 1052056, 1315070, 2630140, 3287675, 5260280, 5391787, 6575350, 10783574, 13150700, 21567148, 26301400, 26958935, 43134296, 53917870, 107835740, 134794675, 215671480, 269589350, 539178700, 1078357400]

約数ペア:

[(1, 1078357400), (2, 539178700), (4, 269589350), (5, 215671480), (8, 134794675), (10, 107835740), (20, 53917870), (25, 43134296), (40, 26958935), (41, 26301400), (50, 21567148), (82, 13150700), (100, 10783574), (164, 6575350), (200, 5391787), (205, 5260280), (328, 3287675), (410, 2630140), (820, 1315070), (1025, 1052056), (1640, 657535), (2050, 526028), (4100, 263014), (8200, 131507)]