89261680

素因数分解:

$2^4\times 5^1\times {\mathrm{1115771}}^1$

素因数の和:1115784

約数の個数: 20

約数和(自身を含む): 207533592

約数和(自身を除く): 118271912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1115771, 2231542, 4463084, 5578855, 8926168, 11157710, 17852336, 22315420, 44630840, 89261680]

約数ペア:

[(1, 89261680), (2, 44630840), (4, 22315420), (5, 17852336), (8, 11157710), (10, 8926168), (16, 5578855), (20, 4463084), (40, 2231542), (80, 1115771)]