12871760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14627}}^1$

素因数の和:14651

約数の個数: 40

約数和(自身を含む): 32649696

約数和(自身を除く): 19777936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 14627, 29254, 58508, 73135, 117016, 146270, 160897, 234032, 292540, 321794, 585080, 643588, 804485, 1170160, 1287176, 1608970, 2574352, 3217940, 6435880, 12871760]

約数ペア:

[(1, 12871760), (2, 6435880), (4, 3217940), (5, 2574352), (8, 1608970), (10, 1287176), (11, 1170160), (16, 804485), (20, 643588), (22, 585080), (40, 321794), (44, 292540), (55, 234032), (80, 160897), (88, 146270), (110, 117016), (176, 73135), (220, 58508), (440, 29254), (880, 14627)]