78488240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51637}}^1$

素因数の和:51669

約数の個数: 40

約数和(自身を含む): 192093360

約数和(自身を除く): 113605120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51637, 103274, 206548, 258185, 413096, 516370, 826192, 981103, 1032740, 1962206, 2065480, 3924412, 4130960, 4905515, 7848824, 9811030, 15697648, 19622060, 39244120, 78488240]

約数ペア:

[(1, 78488240), (2, 39244120), (4, 19622060), (5, 15697648), (8, 9811030), (10, 7848824), (16, 4905515), (19, 4130960), (20, 3924412), (38, 2065480), (40, 1962206), (76, 1032740), (80, 981103), (95, 826192), (152, 516370), (190, 413096), (304, 258185), (380, 206548), (760, 103274), (1520, 51637)]