13742720

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 33323400

約数和(自身を除く): 19580680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 197, 218, 320, 394, 436, 545, 640, 788, 872, 985, 1090, 1576, 1744, 1970, 2180, 3152, 3488, 3940, 4360, 6304, 6976, 7880, 8720, 12608, 13952, 15760, 17440, 21473, 25216, 31520, 34880, 42946, 63040, 69760, 85892, 107365, 126080, 171784, 214730, 343568, 429460, 687136, 858920, 1374272, 1717840, 2748544, 3435680, 6871360, 13742720]

約数ペア:

[(1, 13742720), (2, 6871360), (4, 3435680), (5, 2748544), (8, 1717840), (10, 1374272), (16, 858920), (20, 687136), (32, 429460), (40, 343568), (64, 214730), (80, 171784), (109, 126080), (128, 107365), (160, 85892), (197, 69760), (218, 63040), (320, 42946), (394, 34880), (436, 31520), (545, 25216), (640, 21473), (788, 17440), (872, 15760), (985, 13952), (1090, 12608), (1576, 8720), (1744, 7880), (1970, 6976), (2180, 6304), (3152, 4360), (3488, 3940)]