240085820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{923407}}^1$

素因数の和:923429

約数の個数: 24

約数和(自身を含む): 542963904

約数和(自身を除く): 302878084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 923407, 1846814, 3693628, 4617035, 9234070, 12004291, 18468140, 24008582, 48017164, 60021455, 120042910, 240085820]

約数ペア:

[(1, 240085820), (2, 120042910), (4, 60021455), (5, 48017164), (10, 24008582), (13, 18468140), (20, 12004291), (26, 9234070), (52, 4617035), (65, 3693628), (130, 1846814), (260, 923407)]