4975960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 12545280

約数和(自身を除く): 7569320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 263, 344, 430, 440, 473, 526, 860, 946, 1052, 1315, 1720, 1892, 2104, 2365, 2630, 2893, 3784, 4730, 5260, 5786, 9460, 10520, 11309, 11572, 14465, 18920, 22618, 23144, 28930, 45236, 56545, 57860, 90472, 113090, 115720, 124399, 226180, 248798, 452360, 497596, 621995, 995192, 1243990, 2487980, 4975960]

約数ペア:

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