9951920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 25926912

約数和(自身を除く): 15974992

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, 263, 344, 430, 440, 473, 526, 688, 860, 880, 946, 1052, 1315, 1720, 1892, 2104, 2365, 2630, 2893, 3440, 3784, 4208, 4730, 5260, 5786, 7568, 9460, 10520, 11309, 11572, 14465, 18920, 21040, 22618, 23144, 28930, 37840, 45236, 46288, 56545, 57860, 90472, 113090, 115720, 124399, 180944, 226180, 231440, 248798, 452360, 497596, 621995, 904720, 995192, 1243990, 1990384, 2487980, 4975960, 9951920]

約数ペア:

[(1, 9951920), (2, 4975960), (4, 2487980), (5, 1990384), (8, 1243990), (10, 995192), (11, 904720), (16, 621995), (20, 497596), (22, 452360), (40, 248798), (43, 231440), (44, 226180), (55, 180944), (80, 124399), (86, 115720), (88, 113090), (110, 90472), (172, 57860), (176, 56545), (215, 46288), (220, 45236), (263, 37840), (344, 28930), (430, 23144), (440, 22618), (473, 21040), (526, 18920), (688, 14465), (860, 11572), (880, 11309), (946, 10520), (1052, 9460), (1315, 7568), (1720, 5786), (1892, 5260), (2104, 4730), (2365, 4208), (2630, 3784), (2893, 3440)]