54740080

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1759}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 127670400

約数和(自身を除く): 72930320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1759, 1945, 3112, 3518, 3890, 6224, 7036, 7780, 8795, 14072, 15560, 17590, 28144, 31120, 35180, 70360, 140720, 684251, 1368502, 2737004, 3421255, 5474008, 6842510, 10948016, 13685020, 27370040, 54740080]

約数ペア:

[(1, 54740080), (2, 27370040), (4, 13685020), (5, 10948016), (8, 6842510), (10, 5474008), (16, 3421255), (20, 2737004), (40, 1368502), (80, 684251), (389, 140720), (778, 70360), (1556, 35180), (1759, 31120), (1945, 28144), (3112, 17590), (3518, 15560), (3890, 14072), (6224, 8795), (7036, 7780)]