89405480

素因数分解:

$2^3\times 5^1\times {\mathrm{2235137}}^1$

素因数の和:2235148

約数の個数: 16

約数和(自身を含む): 201162420

約数和(自身を除く): 111756940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2235137, 4470274, 8940548, 11175685, 17881096, 22351370, 44702740, 89405480]

約数ペア:

[(1, 89405480), (2, 44702740), (4, 22351370), (5, 17881096), (8, 11175685), (10, 8940548), (20, 4470274), (40, 2235137)]