2123860

素因数分解:

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

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 4507776

約数和(自身を除く): 2383916

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1031, 2060, 2062, 4124, 5155, 10310, 20620, 106193, 212386, 424772, 530965, 1061930, 2123860]

約数ペア:

[(1, 2123860), (2, 1061930), (4, 530965), (5, 424772), (10, 212386), (20, 106193), (103, 20620), (206, 10310), (412, 5155), (515, 4124), (1030, 2062), (1031, 2060)]