51686000

素因数分解:

$2^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:667

約数の個数: 80

約数和(自身を含む): 128095968

約数和(自身を除く): 76409968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 200, 215, 250, 344, 400, 430, 500, 601, 688, 860, 1000, 1075, 1202, 1720, 2000, 2150, 2404, 3005, 3440, 4300, 4808, 5375, 6010, 8600, 9616, 10750, 12020, 15025, 17200, 21500, 24040, 25843, 30050, 43000, 48080, 51686, 60100, 75125, 86000, 103372, 120200, 129215, 150250, 206744, 240400, 258430, 300500, 413488, 516860, 601000, 646075, 1033720, 1202000, 1292150, 2067440, 2584300, 3230375, 5168600, 6460750, 10337200, 12921500, 25843000, 51686000]

約数ペア:

[(1, 51686000), (2, 25843000), (4, 12921500), (5, 10337200), (8, 6460750), (10, 5168600), (16, 3230375), (20, 2584300), (25, 2067440), (40, 1292150), (43, 1202000), (50, 1033720), (80, 646075), (86, 601000), (100, 516860), (125, 413488), (172, 300500), (200, 258430), (215, 240400), (250, 206744), (344, 150250), (400, 129215), (430, 120200), (500, 103372), (601, 86000), (688, 75125), (860, 60100), (1000, 51686), (1075, 48080), (1202, 43000), (1720, 30050), (2000, 25843), (2150, 24040), (2404, 21500), (3005, 17200), (3440, 15025), (4300, 12020), (4808, 10750), (5375, 9616), (6010, 8600)]