80655520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45827}}^1$

素因数の和:45853

約数の個数: 48

約数和(自身を含む): 207875808

約数和(自身を除く): 127220288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 45827, 91654, 183308, 229135, 366616, 458270, 504097, 733232, 916540, 1008194, 1466464, 1833080, 2016388, 2520485, 3666160, 4032776, 5040970, 7332320, 8065552, 10081940, 16131104, 20163880, 40327760, 80655520]

約数ペア:

[(1, 80655520), (2, 40327760), (4, 20163880), (5, 16131104), (8, 10081940), (10, 8065552), (11, 7332320), (16, 5040970), (20, 4032776), (22, 3666160), (32, 2520485), (40, 2016388), (44, 1833080), (55, 1466464), (80, 1008194), (88, 916540), (110, 733232), (160, 504097), (176, 458270), (220, 366616), (352, 229135), (440, 183308), (880, 91654), (1760, 45827)]