90004805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 126973440

約数和(自身を除く): 36968635

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 473, 817, 1045, 2003, 2365, 4085, 8987, 10015, 22033, 38057, 44935, 86129, 110165, 190285, 418627, 430645, 947419, 1636451, 2093135, 4737095, 8182255, 18000961, 90004805]

約数ペア:

[(1, 90004805), (5, 18000961), (11, 8182255), (19, 4737095), (43, 2093135), (55, 1636451), (95, 947419), (209, 430645), (215, 418627), (473, 190285), (817, 110165), (1045, 86129), (2003, 44935), (2365, 38057), (4085, 22033), (8987, 10015)]