71289520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{46901}}^1$

素因数の和:46933

約数の個数: 40

約数和(自身を含む): 174475440

約数和(自身を除く): 103185920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 46901, 93802, 187604, 234505, 375208, 469010, 750416, 891119, 938020, 1782238, 1876040, 3564476, 3752080, 4455595, 7128952, 8911190, 14257904, 17822380, 35644760, 71289520]

約数ペア:

[(1, 71289520), (2, 35644760), (4, 17822380), (5, 14257904), (8, 8911190), (10, 7128952), (16, 4455595), (19, 3752080), (20, 3564476), (38, 1876040), (40, 1782238), (76, 938020), (80, 891119), (95, 750416), (152, 469010), (190, 375208), (304, 234505), (380, 187604), (760, 93802), (1520, 46901)]