89882900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20903}}^1$

素因数の和:20960

約数の個数: 36

約数和(自身を含む): 199591392

約数和(自身を除く): 109708492

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 20903, 41806, 83612, 104515, 209030, 418060, 522575, 898829, 1045150, 1797658, 2090300, 3595316, 4494145, 8988290, 17976580, 22470725, 44941450, 89882900]

約数ペア:

[(1, 89882900), (2, 44941450), (4, 22470725), (5, 17976580), (10, 8988290), (20, 4494145), (25, 3595316), (43, 2090300), (50, 1797658), (86, 1045150), (100, 898829), (172, 522575), (215, 418060), (430, 209030), (860, 104515), (1075, 83612), (2150, 41806), (4300, 20903)]