88999640

素因数分解:

$2^3\times 5^1\times {\mathrm{2224991}}^1$

素因数の和:2225002

約数の個数: 16

約数和(自身を含む): 200249280

約数和(自身を除く): 111249640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2224991, 4449982, 8899964, 11124955, 17799928, 22249910, 44499820, 88999640]

約数ペア:

[(1, 88999640), (2, 44499820), (4, 22249910), (5, 17799928), (8, 11124955), (10, 8899964), (20, 4449982), (40, 2224991)]