88639640

素因数分解:

$2^3\times 5^1\times {\mathrm{2215991}}^1$

素因数の和:2216002

約数の個数: 16

約数和(自身を含む): 199439280

約数和(自身を除く): 110799640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2215991, 4431982, 8863964, 11079955, 17727928, 22159910, 44319820, 88639640]

約数ペア:

[(1, 88639640), (2, 44319820), (4, 22159910), (5, 17727928), (8, 11079955), (10, 8863964), (20, 4431982), (40, 2215991)]