84745520

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7621}}^1$

素因数の和:7773

約数の個数: 40

約数和(自身を含む): 198476880

約数和(自身を除く): 113731360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 7621, 11120, 15242, 30484, 38105, 60968, 76210, 121936, 152420, 304840, 609680, 1059319, 2118638, 4237276, 5296595, 8474552, 10593190, 16949104, 21186380, 42372760, 84745520]

約数ペア:

[(1, 84745520), (2, 42372760), (4, 21186380), (5, 16949104), (8, 10593190), (10, 8474552), (16, 5296595), (20, 4237276), (40, 2118638), (80, 1059319), (139, 609680), (278, 304840), (556, 152420), (695, 121936), (1112, 76210), (1390, 60968), (2224, 38105), (2780, 30484), (5560, 15242), (7621, 11120)]