11865520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2173

約数の個数: 40

約数和(自身を含む): 27989280

約数和(自身を除く): 16123760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2089, 2840, 4178, 5680, 8356, 10445, 16712, 20890, 33424, 41780, 83560, 148319, 167120, 296638, 593276, 741595, 1186552, 1483190, 2373104, 2966380, 5932760, 11865520]

約数ペア:

[(1, 11865520), (2, 5932760), (4, 2966380), (5, 2373104), (8, 1483190), (10, 1186552), (16, 741595), (20, 593276), (40, 296638), (71, 167120), (80, 148319), (142, 83560), (284, 41780), (355, 33424), (568, 20890), (710, 16712), (1136, 10445), (1420, 8356), (2089, 5680), (2840, 4178)]