18282040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65293}}^1$

素因数の和:65311

約数の個数: 32

約数和(自身を含む): 47011680

約数和(自身を除く): 28729640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65293, 130586, 261172, 326465, 457051, 522344, 652930, 914102, 1305860, 1828204, 2285255, 2611720, 3656408, 4570510, 9141020, 18282040]

約数ペア:

[(1, 18282040), (2, 9141020), (4, 4570510), (5, 3656408), (7, 2611720), (8, 2285255), (10, 1828204), (14, 1305860), (20, 914102), (28, 652930), (35, 522344), (40, 457051), (56, 326465), (70, 261172), (140, 130586), (280, 65293)]