54880360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72211}}^1$

素因数の和:72241

約数の個数: 32

約数和(自身を含む): 129981600

約数和(自身を除く): 75101240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 72211, 144422, 288844, 361055, 577688, 722110, 1372009, 1444220, 2744018, 2888440, 5488036, 6860045, 10976072, 13720090, 27440180, 54880360]

約数ペア:

[(1, 54880360), (2, 27440180), (4, 13720090), (5, 10976072), (8, 6860045), (10, 5488036), (19, 2888440), (20, 2744018), (38, 1444220), (40, 1372009), (76, 722110), (95, 577688), (152, 361055), (190, 288844), (380, 144422), (760, 72211)]