420492080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{111833}}^1$

素因数の和:111893

約数の個数: 40

約数和(自身を含む): 998453952

約数和(自身を除く): 577961872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 111833, 223666, 447332, 559165, 894664, 1118330, 1789328, 2236660, 4473320, 5256151, 8946640, 10512302, 21024604, 26280755, 42049208, 52561510, 84098416, 105123020, 210246040, 420492080]

約数ペア:

[(1, 420492080), (2, 210246040), (4, 105123020), (5, 84098416), (8, 52561510), (10, 42049208), (16, 26280755), (20, 21024604), (40, 10512302), (47, 8946640), (80, 5256151), (94, 4473320), (188, 2236660), (235, 1789328), (376, 1118330), (470, 894664), (752, 559165), (940, 447332), (1880, 223666), (3760, 111833)]