88801780

素因数分解:

$2^2\times 5^1\times {\mathrm{4440089}}^1$

素因数の和:4440098

約数の個数: 12

約数和(自身を含む): 186483780

約数和(自身を除く): 97682000

約数列:

[1, 2, 4, 5, 10, 20, 4440089, 8880178, 17760356, 22200445, 44400890, 88801780]

約数ペア:

[(1, 88801780), (2, 44400890), (4, 22200445), (5, 17760356), (10, 8880178), (20, 4440089)]