7888929280

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43403}}^1$

素因数の和:43497

約数の個数: 80

約数和(自身を含む): 19181790144

約数和(自身を除く): 11292860864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 1136, 1280, 1420, 2272, 2560, 2840, 4544, 5680, 9088, 11360, 18176, 22720, 36352, 43403, 45440, 86806, 90880, 173612, 181760, 217015, 347224, 434030, 694448, 868060, 1388896, 1736120, 2777792, 3081613, 3472240, 5555584, 6163226, 6944480, 11111168, 12326452, 13888960, 15408065, 22222336, 24652904, 27777920, 30816130, 49305808, 55555840, 61632260, 98611616, 111111680, 123264520, 197223232, 246529040, 394446464, 493058080, 788892928, 986116160, 1577785856, 1972232320, 3944464640, 7888929280]

約数ペア:

[(1, 7888929280), (2, 3944464640), (4, 1972232320), (5, 1577785856), (8, 986116160), (10, 788892928), (16, 493058080), (20, 394446464), (32, 246529040), (40, 197223232), (64, 123264520), (71, 111111680), (80, 98611616), (128, 61632260), (142, 55555840), (160, 49305808), (256, 30816130), (284, 27777920), (320, 24652904), (355, 22222336), (512, 15408065), (568, 13888960), (640, 12326452), (710, 11111168), (1136, 6944480), (1280, 6163226), (1420, 5555584), (2272, 3472240), (2560, 3081613), (2840, 2777792), (4544, 1736120), (5680, 1388896), (9088, 868060), (11360, 694448), (18176, 434030), (22720, 347224), (36352, 217015), (43403, 181760), (45440, 173612), (86806, 90880)]