8867140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3491}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 18772992

約数和(自身を除く): 9905852

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 3491, 6982, 13964, 17455, 34910, 69820, 443357, 886714, 1773428, 2216785, 4433570, 8867140]

約数ペア:

[(1, 8867140), (2, 4433570), (4, 2216785), (5, 1773428), (10, 886714), (20, 443357), (127, 69820), (254, 34910), (508, 17455), (635, 13964), (1270, 6982), (2540, 3491)]