71890047940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83593079}}^1$

素因数の和:83593131

約数の個数: 24

約数和(自身を含む): 154480011840

約数和(自身を除く): 82589963900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 83593079, 167186158, 334372316, 417965395, 835930790, 1671861580, 3594502397, 7189004794, 14378009588, 17972511985, 35945023970, 71890047940]

約数ペア:

[(1, 71890047940), (2, 35945023970), (4, 17972511985), (5, 14378009588), (10, 7189004794), (20, 3594502397), (43, 1671861580), (86, 835930790), (172, 417965395), (215, 334372316), (430, 167186158), (860, 83593079)]