88999940

素因数分解:

$2^2\times 5^1\times {\mathrm{4449997}}^1$

素因数の和:4450006

約数の個数: 12

約数和(自身を含む): 186899916

約数和(自身を除く): 97899976

約数列:

[1, 2, 4, 5, 10, 20, 4449997, 8899994, 17799988, 22249985, 44499970, 88999940]

約数ペア:

[(1, 88999940), (2, 44499970), (4, 22249985), (5, 17799988), (10, 8899994), (20, 4449997)]