157069520

素因数分解:

$2^4\times 5^1\times {\mathrm{1963369}}^1$

素因数の和:1963382

約数の個数: 20

約数和(自身を含む): 365186820

約数和(自身を除く): 208117300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1963369, 3926738, 7853476, 9816845, 15706952, 19633690, 31413904, 39267380, 78534760, 157069520]

約数ペア:

[(1, 157069520), (2, 78534760), (4, 39267380), (5, 31413904), (8, 19633690), (10, 15706952), (16, 9816845), (20, 7853476), (40, 3926738), (80, 1963369)]