43205420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19819}}^1$

素因数の和:19937

約数の個数: 24

約数和(自身を含む): 91568400

約数和(自身を除く): 48362980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 19819, 39638, 79276, 99095, 198190, 396380, 2160271, 4320542, 8641084, 10801355, 21602710, 43205420]

約数ペア:

[(1, 43205420), (2, 21602710), (4, 10801355), (5, 8641084), (10, 4320542), (20, 2160271), (109, 396380), (218, 198190), (436, 99095), (545, 79276), (1090, 39638), (2180, 19819)]