84886540

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{10691}}^1$

素因数の和:11097

約数の個数: 24

約数和(自身を含む): 178727472

約数和(自身を除く): 93840932

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 10691, 21382, 42764, 53455, 106910, 213820, 4244327, 8488654, 16977308, 21221635, 42443270, 84886540]

約数ペア:

[(1, 84886540), (2, 42443270), (4, 21221635), (5, 16977308), (10, 8488654), (20, 4244327), (397, 213820), (794, 106910), (1588, 53455), (1985, 42764), (3970, 21382), (7940, 10691)]