891080

素因数分解:

$2^3\times 5^1\times {\mathrm{22277}}^1$

素因数の和:22288

約数の個数: 16

約数和(自身を含む): 2005020

約数和(自身を除く): 1113940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22277, 44554, 89108, 111385, 178216, 222770, 445540, 891080]

約数ペア:

[(1, 891080), (2, 445540), (4, 222770), (5, 178216), (8, 111385), (10, 89108), (20, 44554), (40, 22277)]