9111280

素因数分解:

$2^4\times 5^1\times {\mathrm{113891}}^1$

素因数の和:113904

約数の個数: 20

約数和(自身を含む): 21183912

約数和(自身を除く): 12072632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113891, 227782, 455564, 569455, 911128, 1138910, 1822256, 2277820, 4555640, 9111280]

約数ペア:

[(1, 9111280), (2, 4555640), (4, 2277820), (5, 1822256), (8, 1138910), (10, 911128), (16, 569455), (20, 455564), (40, 227782), (80, 113891)]