28473320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6911}}^1$

素因数の和:7025

約数の個数: 32

約数和(自身を含む): 64696320

約数和(自身を除く): 36223000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6911, 13822, 27644, 34555, 55288, 69110, 138220, 276440, 711833, 1423666, 2847332, 3559165, 5694664, 7118330, 14236660, 28473320]

約数ペア:

[(1, 28473320), (2, 14236660), (4, 7118330), (5, 5694664), (8, 3559165), (10, 2847332), (20, 1423666), (40, 711833), (103, 276440), (206, 138220), (412, 69110), (515, 55288), (824, 34555), (1030, 27644), (2060, 13822), (4120, 6911)]