55443680

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1759}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 131725440

約数和(自身を除く): 76281760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1759, 1970, 3152, 3518, 3940, 6304, 7036, 7880, 8795, 14072, 15760, 17590, 28144, 31520, 35180, 56288, 70360, 140720, 281440, 346523, 693046, 1386092, 1732615, 2772184, 3465230, 5544368, 6930460, 11088736, 13860920, 27721840, 55443680]

約数ペア:

[(1, 55443680), (2, 27721840), (4, 13860920), (5, 11088736), (8, 6930460), (10, 5544368), (16, 3465230), (20, 2772184), (32, 1732615), (40, 1386092), (80, 693046), (160, 346523), (197, 281440), (394, 140720), (788, 70360), (985, 56288), (1576, 35180), (1759, 31520), (1970, 28144), (3152, 17590), (3518, 15760), (3940, 14072), (6304, 8795), (7036, 7880)]