86204720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21991}}^1$

素因数の和:22018

約数の個数: 60

約数和(自身を含む): 233159184

約数和(自身を除く): 146954464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21991, 43982, 87964, 109955, 153937, 175928, 219910, 307874, 351856, 439820, 615748, 769685, 879640, 1077559, 1231496, 1539370, 1759280, 2155118, 2462992, 3078740, 4310236, 5387795, 6157480, 8620472, 10775590, 12314960, 17240944, 21551180, 43102360, 86204720]

約数ペア:

[(1, 86204720), (2, 43102360), (4, 21551180), (5, 17240944), (7, 12314960), (8, 10775590), (10, 8620472), (14, 6157480), (16, 5387795), (20, 4310236), (28, 3078740), (35, 2462992), (40, 2155118), (49, 1759280), (56, 1539370), (70, 1231496), (80, 1077559), (98, 879640), (112, 769685), (140, 615748), (196, 439820), (245, 351856), (280, 307874), (392, 219910), (490, 175928), (560, 153937), (784, 109955), (980, 87964), (1960, 43982), (3920, 21991)]