79213520

素因数分解:

$2^4\times 5^1\times {\mathrm{990169}}^1$

素因数の和:990182

約数の個数: 20

約数和(自身を含む): 184171620

約数和(自身を除く): 104958100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 990169, 1980338, 3960676, 4950845, 7921352, 9901690, 15842704, 19803380, 39606760, 79213520]

約数ペア:

[(1, 79213520), (2, 39606760), (4, 19803380), (5, 15842704), (8, 9901690), (10, 7921352), (16, 4950845), (20, 3960676), (40, 1980338), (80, 990169)]