89439880

素因数分解:

$2^3\times 5^1\times {\mathrm{2235997}}^1$

素因数の和:2236008

約数の個数: 16

約数和(自身を含む): 201239820

約数和(自身を除く): 111799940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2235997, 4471994, 8943988, 11179985, 17887976, 22359970, 44719940, 89439880]

約数ペア:

[(1, 89439880), (2, 44719940), (4, 22359970), (5, 17887976), (8, 11179985), (10, 8943988), (20, 4471994), (40, 2235997)]