2280080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2591}}^1$

素因数の和:2615

約数の個数: 40

約数和(自身を含む): 5785344

約数和(自身を除く): 3505264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2591, 5182, 10364, 12955, 20728, 25910, 28501, 41456, 51820, 57002, 103640, 114004, 142505, 207280, 228008, 285010, 456016, 570020, 1140040, 2280080]

約数ペア:

[(1, 2280080), (2, 1140040), (4, 570020), (5, 456016), (8, 285010), (10, 228008), (11, 207280), (16, 142505), (20, 114004), (22, 103640), (40, 57002), (44, 51820), (55, 41456), (80, 28501), (88, 25910), (110, 20728), (176, 12955), (220, 10364), (440, 5182), (880, 2591)]