84042640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2288

約数の個数: 80

約数和(自身を含む): 218218176

約数和(自身を除く): 134175536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2221, 2365, 3440, 3784, 4442, 4730, 7568, 8884, 9460, 11105, 17768, 18920, 22210, 24431, 35536, 37840, 44420, 48862, 88840, 95503, 97724, 122155, 177680, 191006, 195448, 244310, 382012, 390896, 477515, 488620, 764024, 955030, 977240, 1050533, 1528048, 1910060, 1954480, 2101066, 3820120, 4202132, 5252665, 7640240, 8404264, 10505330, 16808528, 21010660, 42021320, 84042640]

約数ペア:

[(1, 84042640), (2, 42021320), (4, 21010660), (5, 16808528), (8, 10505330), (10, 8404264), (11, 7640240), (16, 5252665), (20, 4202132), (22, 3820120), (40, 2101066), (43, 1954480), (44, 1910060), (55, 1528048), (80, 1050533), (86, 977240), (88, 955030), (110, 764024), (172, 488620), (176, 477515), (215, 390896), (220, 382012), (344, 244310), (430, 195448), (440, 191006), (473, 177680), (688, 122155), (860, 97724), (880, 95503), (946, 88840), (1720, 48862), (1892, 44420), (2221, 37840), (2365, 35536), (3440, 24431), (3784, 22210), (4442, 18920), (4730, 17768), (7568, 11105), (8884, 9460)]