22391240

素因数分解:

$2^3\times 5^1\times {\mathrm{559781}}^1$

素因数の和:559792

約数の個数: 16

約数和(自身を含む): 50380380

約数和(自身を除く): 27989140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 559781, 1119562, 2239124, 2798905, 4478248, 5597810, 11195620, 22391240]

約数ペア:

[(1, 22391240), (2, 11195620), (4, 5597810), (5, 4478248), (8, 2798905), (10, 2239124), (20, 1119562), (40, 559781)]