89357540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{32143}}^1$

素因数の和:32291

約数の個数: 24

約数和(自身を含む): 189006720

約数和(自身を除く): 99649180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 32143, 64286, 128572, 160715, 321430, 642860, 4467877, 8935754, 17871508, 22339385, 44678770, 89357540]

約数ペア:

[(1, 89357540), (2, 44678770), (4, 22339385), (5, 17871508), (10, 8935754), (20, 4467877), (139, 642860), (278, 321430), (556, 160715), (695, 128572), (1390, 64286), (2780, 32143)]