81170029520

素因数分解:

$2^4\times 5^1\times {\mathrm{1014625369}}^1$

素因数の和:1014625382

約数の個数: 20

約数和(自身を含む): 188720318820

約数和(自身を除く): 107550289300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1014625369, 2029250738, 4058501476, 5073126845, 8117002952, 10146253690, 16234005904, 20292507380, 40585014760, 81170029520]

約数ペア:

[(1, 81170029520), (2, 40585014760), (4, 20292507380), (5, 16234005904), (8, 10146253690), (10, 8117002952), (16, 5073126845), (20, 4058501476), (40, 2029250738), (80, 1014625369)]