12939520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 33848640

約数和(自身を除く): 20909120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 919, 1280, 1408, 1760, 1838, 2816, 3520, 3676, 4595, 7040, 7352, 9190, 10109, 14080, 14704, 18380, 20218, 29408, 36760, 40436, 50545, 58816, 73520, 80872, 101090, 117632, 147040, 161744, 202180, 235264, 294080, 323488, 404360, 588160, 646976, 808720, 1176320, 1293952, 1617440, 2587904, 3234880, 6469760, 12939520]

約数ペア:

[(1, 12939520), (2, 6469760), (4, 3234880), (5, 2587904), (8, 1617440), (10, 1293952), (11, 1176320), (16, 808720), (20, 646976), (22, 588160), (32, 404360), (40, 323488), (44, 294080), (55, 235264), (64, 202180), (80, 161744), (88, 147040), (110, 117632), (128, 101090), (160, 80872), (176, 73520), (220, 58816), (256, 50545), (320, 40436), (352, 36760), (440, 29408), (640, 20218), (704, 18380), (880, 14704), (919, 14080), (1280, 10109), (1408, 9190), (1760, 7352), (1838, 7040), (2816, 4595), (3520, 3676)]