4205620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{479}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 8870400

約数和(自身を除く): 4664780

約数列:

[1, 2, 4, 5, 10, 20, 439, 479, 878, 958, 1756, 1916, 2195, 2395, 4390, 4790, 8780, 9580, 210281, 420562, 841124, 1051405, 2102810, 4205620]

約数ペア:

[(1, 4205620), (2, 2102810), (4, 1051405), (5, 841124), (10, 420562), (20, 210281), (439, 9580), (479, 8780), (878, 4790), (958, 4390), (1756, 2395), (1916, 2195)]