1324580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 2812992

約数和(自身を除く): 1488412

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 643, 1030, 1286, 2060, 2572, 3215, 6430, 12860, 66229, 132458, 264916, 331145, 662290, 1324580]

約数ペア:

[(1, 1324580), (2, 662290), (4, 331145), (5, 264916), (10, 132458), (20, 66229), (103, 12860), (206, 6430), (412, 3215), (515, 2572), (643, 2060), (1030, 1286)]