1140040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2591}}^1$

素因数の和:2613

約数の個数: 32

約数和(自身を含む): 2799360

約数和(自身を除く): 1659320

約数列:

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

約数ペア:

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