2811455440

素因数分解:

$2^4\times 5^1\times {\mathrm{839}}^1\times {\mathrm{41887}}^1$

素因数の和:42739

約数の個数: 40

約数和(自身を含む): 6544581120

約数和(自身を除く): 3733125680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 839, 1678, 3356, 4195, 6712, 8390, 13424, 16780, 33560, 41887, 67120, 83774, 167548, 209435, 335096, 418870, 670192, 837740, 1675480, 3350960, 35143193, 70286386, 140572772, 175715965, 281145544, 351431930, 562291088, 702863860, 1405727720, 2811455440]

約数ペア:

[(1, 2811455440), (2, 1405727720), (4, 702863860), (5, 562291088), (8, 351431930), (10, 281145544), (16, 175715965), (20, 140572772), (40, 70286386), (80, 35143193), (839, 3350960), (1678, 1675480), (3356, 837740), (4195, 670192), (6712, 418870), (8390, 335096), (13424, 209435), (16780, 167548), (33560, 83774), (41887, 67120)]