18321567280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5326037}}^1$

素因数の和:5326093

約数の個数: 40

約数和(自身を含む): 43588294992

約数和(自身を除く): 25266727712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5326037, 10652074, 21304148, 26630185, 42608296, 53260370, 85216592, 106520740, 213041480, 229019591, 426082960, 458039182, 916078364, 1145097955, 1832156728, 2290195910, 3664313456, 4580391820, 9160783640, 18321567280]

約数ペア:

[(1, 18321567280), (2, 9160783640), (4, 4580391820), (5, 3664313456), (8, 2290195910), (10, 1832156728), (16, 1145097955), (20, 916078364), (40, 458039182), (43, 426082960), (80, 229019591), (86, 213041480), (172, 106520740), (215, 85216592), (344, 53260370), (430, 42608296), (688, 26630185), (860, 21304148), (1720, 10652074), (3440, 5326037)]