8255120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5431}}^1$

素因数の和:5463

約数の個数: 40

約数和(自身を含む): 20207040

約数和(自身を除く): 11951920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5431, 10862, 21724, 27155, 43448, 54310, 86896, 103189, 108620, 206378, 217240, 412756, 434480, 515945, 825512, 1031890, 1651024, 2063780, 4127560, 8255120]

約数ペア:

[(1, 8255120), (2, 4127560), (4, 2063780), (5, 1651024), (8, 1031890), (10, 825512), (16, 515945), (19, 434480), (20, 412756), (38, 217240), (40, 206378), (76, 108620), (80, 103189), (95, 86896), (152, 54310), (190, 43448), (304, 27155), (380, 21724), (760, 10862), (1520, 5431)]