88720040

素因数分解:

$2^3\times 5^1\times {\mathrm{2218001}}^1$

素因数の和:2218012

約数の個数: 16

約数和(自身を含む): 199620180

約数和(自身を除く): 110900140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2218001, 4436002, 8872004, 11090005, 17744008, 22180010, 44360020, 88720040]

約数ペア:

[(1, 88720040), (2, 44360020), (4, 22180010), (5, 17744008), (8, 11090005), (10, 8872004), (20, 4436002), (40, 2218001)]