88639820

素因数分解:

$2^2\times 5^1\times {\mathrm{4431991}}^1$

素因数の和:4432000

約数の個数: 12

約数和(自身を含む): 186143664

約数和(自身を除く): 97503844

約数列:

[1, 2, 4, 5, 10, 20, 4431991, 8863982, 17727964, 22159955, 44319910, 88639820]

約数ペア:

[(1, 88639820), (2, 44319910), (4, 22159955), (5, 17727964), (10, 8863982), (20, 4431991)]