64151140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139459}}^1$

素因数の和:139491

約数の個数: 24

約数和(自身を含む): 140575680

約数和(自身を除く): 76424540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 139459, 278918, 557836, 697295, 1394590, 2789180, 3207557, 6415114, 12830228, 16037785, 32075570, 64151140]

約数ペア:

[(1, 64151140), (2, 32075570), (4, 16037785), (5, 12830228), (10, 6415114), (20, 3207557), (23, 2789180), (46, 1394590), (92, 697295), (115, 557836), (230, 278918), (460, 139459)]