25641616

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1640

約数の個数: 80

約数和(自身を含む): 66745728

約数和(自身を除く): 41104112

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 1601, 2002, 2288, 3202, 4004, 6404, 8008, 11207, 12808, 16016, 17611, 20813, 22414, 25616, 35222, 41626, 44828, 70444, 83252, 89656, 123277, 140888, 145691, 166504, 179312, 228943, 246554, 281776, 291382, 333008, 457886, 493108, 582764, 915772, 986216, 1165528, 1602601, 1831544, 1972432, 2331056, 3205202, 3663088, 6410404, 12820808, 25641616]

約数ペア:

[(1, 25641616), (2, 12820808), (4, 6410404), (7, 3663088), (8, 3205202), (11, 2331056), (13, 1972432), (14, 1831544), (16, 1602601), (22, 1165528), (26, 986216), (28, 915772), (44, 582764), (52, 493108), (56, 457886), (77, 333008), (88, 291382), (91, 281776), (104, 246554), (112, 228943), (143, 179312), (154, 166504), (176, 145691), (182, 140888), (208, 123277), (286, 89656), (308, 83252), (364, 70444), (572, 44828), (616, 41626), (728, 35222), (1001, 25616), (1144, 22414), (1232, 20813), (1456, 17611), (1601, 16016), (2002, 12808), (2288, 11207), (3202, 8008), (4004, 6404)]