55419520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6661}}^1$

素因数の和:6693

約数の個数: 64

約数和(自身を含む): 142700040

約数和(自身を除く): 87280520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 6661, 8320, 13322, 26644, 33305, 53288, 66610, 86593, 106576, 133220, 173186, 213152, 266440, 346372, 426304, 432965, 532880, 692744, 852608, 865930, 1065760, 1385488, 1731860, 2131520, 2770976, 3463720, 4263040, 5541952, 6927440, 11083904, 13854880, 27709760, 55419520]

約数ペア:

[(1, 55419520), (2, 27709760), (4, 13854880), (5, 11083904), (8, 6927440), (10, 5541952), (13, 4263040), (16, 3463720), (20, 2770976), (26, 2131520), (32, 1731860), (40, 1385488), (52, 1065760), (64, 865930), (65, 852608), (80, 692744), (104, 532880), (128, 432965), (130, 426304), (160, 346372), (208, 266440), (260, 213152), (320, 173186), (416, 133220), (520, 106576), (640, 86593), (832, 66610), (1040, 53288), (1664, 33305), (2080, 26644), (4160, 13322), (6661, 8320)]