80867780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577627}}^1$

素因数の和:577643

約数の個数: 24

約数和(自身を含む): 194083008

約数和(自身を除く): 113215228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577627, 1155254, 2310508, 2888135, 4043389, 5776270, 8086778, 11552540, 16173556, 20216945, 40433890, 80867780]

約数ペア:

[(1, 80867780), (2, 40433890), (4, 20216945), (5, 16173556), (7, 11552540), (10, 8086778), (14, 5776270), (20, 4043389), (28, 2888135), (35, 2310508), (70, 1155254), (140, 577627)]