80489464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 171072000

約数和(自身を除く): 90582536

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 89, 172, 178, 239, 344, 356, 473, 478, 712, 946, 956, 979, 1892, 1912, 1958, 2629, 3784, 3827, 3916, 5258, 7654, 7832, 10277, 10516, 15308, 20554, 21032, 21271, 30616, 41108, 42097, 42542, 82216, 84194, 85084, 113047, 168388, 170168, 226094, 233981, 336776, 452188, 467962, 904376, 914653, 935924, 1829306, 1871848, 3658612, 7317224, 10061183, 20122366, 40244732, 80489464]

約数ペア:

[(1, 80489464), (2, 40244732), (4, 20122366), (8, 10061183), (11, 7317224), (22, 3658612), (43, 1871848), (44, 1829306), (86, 935924), (88, 914653), (89, 904376), (172, 467962), (178, 452188), (239, 336776), (344, 233981), (356, 226094), (473, 170168), (478, 168388), (712, 113047), (946, 85084), (956, 84194), (979, 82216), (1892, 42542), (1912, 42097), (1958, 41108), (2629, 30616), (3784, 21271), (3827, 21032), (3916, 20554), (5258, 15308), (7654, 10516), (7832, 10277)]