2189080

素因数分解:

$2^3\times 5^1\times {\mathrm{54727}}^1$

素因数の和:54738

約数の個数: 16

約数和(自身を含む): 4925520

約数和(自身を除く): 2736440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54727, 109454, 218908, 273635, 437816, 547270, 1094540, 2189080]

約数ペア:

[(1, 2189080), (2, 1094540), (4, 547270), (5, 437816), (8, 273635), (10, 218908), (20, 109454), (40, 54727)]