80091280

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7883}}^1$

素因数の和:8023

約数の個数: 40

約数和(自身を含む): 187702272

約数和(自身を除く): 107610992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 7883, 10160, 15766, 31532, 39415, 63064, 78830, 126128, 157660, 315320, 630640, 1001141, 2002282, 4004564, 5005705, 8009128, 10011410, 16018256, 20022820, 40045640, 80091280]

約数ペア:

[(1, 80091280), (2, 40045640), (4, 20022820), (5, 16018256), (8, 10011410), (10, 8009128), (16, 5005705), (20, 4004564), (40, 2002282), (80, 1001141), (127, 630640), (254, 315320), (508, 157660), (635, 126128), (1016, 78830), (1270, 63064), (2032, 39415), (2540, 31532), (5080, 15766), (7883, 10160)]