80335520

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1031}}^1$

素因数の和:1533

約数の個数: 48

約数和(自身を含む): 190366848

約数和(自身を除く): 110031328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1031, 1948, 2062, 2435, 3896, 4124, 4870, 5155, 7792, 8248, 9740, 10310, 15584, 16496, 19480, 20620, 32992, 38960, 41240, 77920, 82480, 164960, 502097, 1004194, 2008388, 2510485, 4016776, 5020970, 8033552, 10041940, 16067104, 20083880, 40167760, 80335520]

約数ペア:

[(1, 80335520), (2, 40167760), (4, 20083880), (5, 16067104), (8, 10041940), (10, 8033552), (16, 5020970), (20, 4016776), (32, 2510485), (40, 2008388), (80, 1004194), (160, 502097), (487, 164960), (974, 82480), (1031, 77920), (1948, 41240), (2062, 38960), (2435, 32992), (3896, 20620), (4124, 19480), (4870, 16496), (5155, 15584), (7792, 10310), (8248, 9740)]