545832020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 1163006208

約数和(自身を除く): 617174188

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 257, 412, 514, 515, 1028, 1030, 1031, 1285, 2060, 2062, 2570, 4124, 5140, 5155, 10310, 20620, 26471, 52942, 105884, 106193, 132355, 212386, 264710, 264967, 424772, 529420, 529934, 530965, 1059868, 1061930, 1324835, 2123860, 2649670, 5299340, 27291601, 54583202, 109166404, 136458005, 272916010, 545832020]

約数ペア:

[(1, 545832020), (2, 272916010), (4, 136458005), (5, 109166404), (10, 54583202), (20, 27291601), (103, 5299340), (206, 2649670), (257, 2123860), (412, 1324835), (514, 1061930), (515, 1059868), (1028, 530965), (1030, 529934), (1031, 529420), (1285, 424772), (2060, 264967), (2062, 264710), (2570, 212386), (4124, 132355), (5140, 106193), (5155, 105884), (10310, 52942), (20620, 26471)]