80811964

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{4391}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 146095488

約数和(自身を除く): 65283524

約数列:

[1, 2, 4, 43, 86, 107, 172, 214, 428, 4391, 4601, 8782, 9202, 17564, 18404, 188813, 377626, 469837, 755252, 939674, 1879348, 20202991, 40405982, 80811964]

約数ペア:

[(1, 80811964), (2, 40405982), (4, 20202991), (43, 1879348), (86, 939674), (107, 755252), (172, 469837), (214, 377626), (428, 188813), (4391, 18404), (4601, 17564), (8782, 9202)]