80729440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45869}}^1$

素因数の和:45895

約数の個数: 48

約数和(自身を含む): 208066320

約数和(自身を除く): 127336880

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, 45869, 91738, 183476, 229345, 366952, 458690, 504559, 733904, 917380, 1009118, 1467808, 1834760, 2018236, 2522795, 3669520, 4036472, 5045590, 7339040, 8072944, 10091180, 16145888, 20182360, 40364720, 80729440]

約数ペア:

[(1, 80729440), (2, 40364720), (4, 20182360), (5, 16145888), (8, 10091180), (10, 8072944), (11, 7339040), (16, 5045590), (20, 4036472), (22, 3669520), (32, 2522795), (40, 2018236), (44, 1834760), (55, 1467808), (80, 1009118), (88, 917380), (110, 733904), (160, 504559), (176, 458690), (220, 366952), (352, 229345), (440, 183476), (880, 91738), (1760, 45869)]