55001680

素因数分解:

$2^4\times 5^1\times {\mathrm{687521}}^1$

素因数の和:687534

約数の個数: 20

約数和(自身を含む): 127879092

約数和(自身を除く): 72877412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 687521, 1375042, 2750084, 3437605, 5500168, 6875210, 11000336, 13750420, 27500840, 55001680]

約数ペア:

[(1, 55001680), (2, 27500840), (4, 13750420), (5, 11000336), (8, 6875210), (10, 5500168), (16, 3437605), (20, 2750084), (40, 1375042), (80, 687521)]