8166580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21491}}^1$

素因数の和:21519

約数の個数: 24

約数和(自身を含む): 18053280

約数和(自身を除く): 9886700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21491, 42982, 85964, 107455, 214910, 408329, 429820, 816658, 1633316, 2041645, 4083290, 8166580]

約数ペア:

[(1, 8166580), (2, 4083290), (4, 2041645), (5, 1633316), (10, 816658), (19, 429820), (20, 408329), (38, 214910), (76, 107455), (95, 85964), (190, 42982), (380, 21491)]