2067440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 4926768

約数和(自身を除く): 2859328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 601, 688, 860, 1202, 1720, 2404, 3005, 3440, 4808, 6010, 9616, 12020, 24040, 25843, 48080, 51686, 103372, 129215, 206744, 258430, 413488, 516860, 1033720, 2067440]

約数ペア:

[(1, 2067440), (2, 1033720), (4, 516860), (5, 413488), (8, 258430), (10, 206744), (16, 129215), (20, 103372), (40, 51686), (43, 48080), (80, 25843), (86, 24040), (172, 12020), (215, 9616), (344, 6010), (430, 4808), (601, 3440), (688, 3005), (860, 2404), (1202, 1720)]