2231440

素因数分解:

$2^4\times 5^1\times {\mathrm{27893}}^1$

素因数の和:27906

約数の個数: 20

約数和(自身を含む): 5188284

約数和(自身を除く): 2956844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27893, 55786, 111572, 139465, 223144, 278930, 446288, 557860, 1115720, 2231440]

約数ペア:

[(1, 2231440), (2, 1115720), (4, 557860), (5, 446288), (8, 278930), (10, 223144), (16, 139465), (20, 111572), (40, 55786), (80, 27893)]