88690040

素因数分解:

$2^3\times 5^1\times {\mathrm{2217251}}^1$

素因数の和:2217262

約数の個数: 16

約数和(自身を含む): 199552680

約数和(自身を除く): 110862640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2217251, 4434502, 8869004, 11086255, 17738008, 22172510, 44345020, 88690040]

約数ペア:

[(1, 88690040), (2, 44345020), (4, 22172510), (5, 17738008), (8, 11086255), (10, 8869004), (20, 4434502), (40, 2217251)]