8851520

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 56

約数和(自身を含む): 21336000

約数和(自身を除く): 12484480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 199, 278, 320, 398, 556, 695, 796, 995, 1112, 1390, 1592, 1990, 2224, 2780, 3184, 3980, 4448, 5560, 6368, 7960, 8896, 11120, 12736, 15920, 22240, 27661, 31840, 44480, 55322, 63680, 110644, 138305, 221288, 276610, 442576, 553220, 885152, 1106440, 1770304, 2212880, 4425760, 8851520]

約数ペア:

[(1, 8851520), (2, 4425760), (4, 2212880), (5, 1770304), (8, 1106440), (10, 885152), (16, 553220), (20, 442576), (32, 276610), (40, 221288), (64, 138305), (80, 110644), (139, 63680), (160, 55322), (199, 44480), (278, 31840), (320, 27661), (398, 22240), (556, 15920), (695, 12736), (796, 11120), (995, 8896), (1112, 7960), (1390, 6368), (1592, 5560), (1990, 4448), (2224, 3980), (2780, 3184)]