8538940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9929}}^1$

素因数の和:9981

約数の個数: 24

約数和(自身を含む): 18350640

約数和(自身を除く): 9811700

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9929, 19858, 39716, 49645, 99290, 198580, 426947, 853894, 1707788, 2134735, 4269470, 8538940]

約数ペア:

[(1, 8538940), (2, 4269470), (4, 2134735), (5, 1707788), (10, 853894), (20, 426947), (43, 198580), (86, 99290), (172, 49645), (215, 39716), (430, 19858), (860, 9929)]