1666804940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{157543}}^1$

素因数の和:157598

約数の個数: 36

約数和(自身を含む): 3659116944

約数和(自身を除く): 1992312004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 157543, 315086, 630172, 787715, 1575430, 3150860, 3623489, 7246978, 14493956, 18117445, 36234890, 72469780, 83340247, 166680494, 333360988, 416701235, 833402470, 1666804940]

約数ペア:

[(1, 1666804940), (2, 833402470), (4, 416701235), (5, 333360988), (10, 166680494), (20, 83340247), (23, 72469780), (46, 36234890), (92, 18117445), (115, 14493956), (230, 7246978), (460, 3623489), (529, 3150860), (1058, 1575430), (2116, 787715), (2645, 630172), (5290, 315086), (10580, 157543)]