56526940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65729}}^1$

素因数の和:65781

約数の個数: 24

約数和(自身を含む): 121469040

約数和(自身を除く): 64942100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 65729, 131458, 262916, 328645, 657290, 1314580, 2826347, 5652694, 11305388, 14131735, 28263470, 56526940]

約数ペア:

[(1, 56526940), (2, 28263470), (4, 14131735), (5, 11305388), (10, 5652694), (20, 2826347), (43, 1314580), (86, 657290), (172, 328645), (215, 262916), (430, 131458), (860, 65729)]