55287440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53161}}^1$

素因数の和:53187

約数の個数: 40

約数和(自身を含む): 138433848

約数和(自身を除く): 83146408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 53161, 106322, 212644, 265805, 425288, 531610, 691093, 850576, 1063220, 1382186, 2126440, 2764372, 3455465, 4252880, 5528744, 6910930, 11057488, 13821860, 27643720, 55287440]

約数ペア:

[(1, 55287440), (2, 27643720), (4, 13821860), (5, 11057488), (8, 6910930), (10, 5528744), (13, 4252880), (16, 3455465), (20, 2764372), (26, 2126440), (40, 1382186), (52, 1063220), (65, 850576), (80, 691093), (104, 531610), (130, 425288), (208, 265805), (260, 212644), (520, 106322), (1040, 53161)]