8357180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32143}}^1$

素因数の和:32165

約数の個数: 24

約数和(自身を含む): 18900672

約数和(自身を除く): 10543492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32143, 64286, 128572, 160715, 321430, 417859, 642860, 835718, 1671436, 2089295, 4178590, 8357180]

約数ペア:

[(1, 8357180), (2, 4178590), (4, 2089295), (5, 1671436), (10, 835718), (13, 642860), (20, 417859), (26, 321430), (52, 160715), (65, 128572), (130, 64286), (260, 32143)]