68643320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{16661}}^1$

素因数の和:16775

約数の個数: 32

約数和(自身を含む): 155956320

約数和(自身を除く): 87313000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 16661, 33322, 66644, 83305, 133288, 166610, 333220, 666440, 1716083, 3432166, 6864332, 8580415, 13728664, 17160830, 34321660, 68643320]

約数ペア:

[(1, 68643320), (2, 34321660), (4, 17160830), (5, 13728664), (8, 8580415), (10, 6864332), (20, 3432166), (40, 1716083), (103, 666440), (206, 333220), (412, 166610), (515, 133288), (824, 83305), (1030, 66644), (2060, 33322), (4120, 16661)]