81554000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^2\times {\mathrm{337}}^1$

素因数の和:382

約数の個数: 120

約数和(自身を含む): 217397544

約数和(自身を除く): 135843544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 125, 176, 200, 220, 242, 250, 275, 337, 400, 440, 484, 500, 550, 605, 674, 880, 968, 1000, 1100, 1210, 1348, 1375, 1685, 1936, 2000, 2200, 2420, 2696, 2750, 3025, 3370, 3707, 4400, 4840, 5392, 5500, 6050, 6740, 7414, 8425, 9680, 11000, 12100, 13480, 14828, 15125, 16850, 18535, 22000, 24200, 26960, 29656, 30250, 33700, 37070, 40777, 42125, 48400, 59312, 60500, 67400, 74140, 81554, 84250, 92675, 121000, 134800, 148280, 163108, 168500, 185350, 203885, 242000, 296560, 326216, 337000, 370700, 407770, 463375, 652432, 674000, 741400, 815540, 926750, 1019425, 1482800, 1631080, 1853500, 2038850, 3262160, 3707000, 4077700, 5097125, 7414000, 8155400, 10194250, 16310800, 20388500, 40777000, 81554000]

約数ペア:

[(1, 81554000), (2, 40777000), (4, 20388500), (5, 16310800), (8, 10194250), (10, 8155400), (11, 7414000), (16, 5097125), (20, 4077700), (22, 3707000), (25, 3262160), (40, 2038850), (44, 1853500), (50, 1631080), (55, 1482800), (80, 1019425), (88, 926750), (100, 815540), (110, 741400), (121, 674000), (125, 652432), (176, 463375), (200, 407770), (220, 370700), (242, 337000), (250, 326216), (275, 296560), (337, 242000), (400, 203885), (440, 185350), (484, 168500), (500, 163108), (550, 148280), (605, 134800), (674, 121000), (880, 92675), (968, 84250), (1000, 81554), (1100, 74140), (1210, 67400), (1348, 60500), (1375, 59312), (1685, 48400), (1936, 42125), (2000, 40777), (2200, 37070), (2420, 33700), (2696, 30250), (2750, 29656), (3025, 26960), (3370, 24200), (3707, 22000), (4400, 18535), (4840, 16850), (5392, 15125), (5500, 14828), (6050, 13480), (6740, 12100), (7414, 11000), (8425, 9680)]