43213820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166207}}^1$

素因数の和:166229

約数の個数: 24

約数和(自身を含む): 97730304

約数和(自身を除く): 54516484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 166207, 332414, 664828, 831035, 1662070, 2160691, 3324140, 4321382, 8642764, 10803455, 21606910, 43213820]

約数ペア:

[(1, 43213820), (2, 21606910), (4, 10803455), (5, 8642764), (10, 4321382), (13, 3324140), (20, 2160691), (26, 1662070), (52, 831035), (65, 664828), (130, 332414), (260, 166207)]