222871280

素因数分解:

$2^4\times 5^1\times {\mathrm{2785891}}^1$

素因数の和:2785904

約数の個数: 20

約数和(自身を含む): 518175912

約数和(自身を除く): 295304632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2785891, 5571782, 11143564, 13929455, 22287128, 27858910, 44574256, 55717820, 111435640, 222871280]

約数ペア:

[(1, 222871280), (2, 111435640), (4, 55717820), (5, 44574256), (8, 27858910), (10, 22287128), (16, 13929455), (20, 11143564), (40, 5571782), (80, 2785891)]