54951440

素因数分解:

$2^4\times 5^1\times {\mathrm{686893}}^1$

素因数の和:686906

約数の個数: 20

約数和(自身を含む): 127762284

約数和(自身を除く): 72810844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 686893, 1373786, 2747572, 3434465, 5495144, 6868930, 10990288, 13737860, 27475720, 54951440]

約数ペア:

[(1, 54951440), (2, 27475720), (4, 13737860), (5, 10990288), (8, 6868930), (10, 5495144), (16, 3434465), (20, 2747572), (40, 1373786), (80, 686893)]