213468380

素因数分解:

$2^2\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{4091}}^1$

素因数の和:6709

約数の個数: 24

約数和(自身を含む): 448565040

約数和(自身を除く): 235096660

約数列:

[1, 2, 4, 5, 10, 20, 2609, 4091, 5218, 8182, 10436, 13045, 16364, 20455, 26090, 40910, 52180, 81820, 10673419, 21346838, 42693676, 53367095, 106734190, 213468380]

約数ペア:

[(1, 213468380), (2, 106734190), (4, 53367095), (5, 42693676), (10, 21346838), (20, 10673419), (2609, 81820), (4091, 52180), (5218, 40910), (8182, 26090), (10436, 20455), (13045, 16364)]