78883280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{140863}}^1$

素因数の和:140883

約数の個数: 40

約数和(自身を含む): 209605632

約数和(自身を除く): 130722352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 140863, 281726, 563452, 704315, 986041, 1126904, 1408630, 1972082, 2253808, 2817260, 3944164, 4930205, 5634520, 7888328, 9860410, 11269040, 15776656, 19720820, 39441640, 78883280]

約数ペア:

[(1, 78883280), (2, 39441640), (4, 19720820), (5, 15776656), (7, 11269040), (8, 9860410), (10, 7888328), (14, 5634520), (16, 4930205), (20, 3944164), (28, 2817260), (35, 2253808), (40, 1972082), (56, 1408630), (70, 1126904), (80, 986041), (112, 704315), (140, 563452), (280, 281726), (560, 140863)]