8115880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1481}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 18406440

約数和(自身を除く): 10290560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1481, 2740, 2962, 5480, 5924, 7405, 11848, 14810, 29620, 59240, 202897, 405794, 811588, 1014485, 1623176, 2028970, 4057940, 8115880]

約数ペア:

[(1, 8115880), (2, 4057940), (4, 2028970), (5, 1623176), (8, 1014485), (10, 811588), (20, 405794), (40, 202897), (137, 59240), (274, 29620), (548, 14810), (685, 11848), (1096, 7405), (1370, 5924), (1481, 5480), (2740, 2962)]