80722840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183461}}^1$

素因数の和:183483

約数の個数: 32

約数和(自身を含む): 198138960

約数和(自身を除く): 117416120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 183461, 366922, 733844, 917305, 1467688, 1834610, 2018071, 3669220, 4036142, 7338440, 8072284, 10090355, 16144568, 20180710, 40361420, 80722840]

約数ペア:

[(1, 80722840), (2, 40361420), (4, 20180710), (5, 16144568), (8, 10090355), (10, 8072284), (11, 7338440), (20, 4036142), (22, 3669220), (40, 2018071), (44, 1834610), (55, 1467688), (88, 917305), (110, 733844), (220, 366922), (440, 183461)]