42728660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164341}}^1$

素因数の和:164363

約数の個数: 24

約数和(自身を含む): 96633096

約数和(自身を除く): 53904436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164341, 328682, 657364, 821705, 1643410, 2136433, 3286820, 4272866, 8545732, 10682165, 21364330, 42728660]

約数ペア:

[(1, 42728660), (2, 21364330), (4, 10682165), (5, 8545732), (10, 4272866), (13, 3286820), (20, 2136433), (26, 1643410), (52, 821705), (65, 657364), (130, 328682), (260, 164341)]