54985720

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4153}}^1$

素因数の和:4495

約数の個数: 32

約数和(自身を含む): 124121520

約数和(自身を除く): 69135800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 4153, 6620, 8306, 13240, 16612, 20765, 33224, 41530, 83060, 166120, 1374643, 2749286, 5498572, 6873215, 10997144, 13746430, 27492860, 54985720]

約数ペア:

[(1, 54985720), (2, 27492860), (4, 13746430), (5, 10997144), (8, 6873215), (10, 5498572), (20, 2749286), (40, 1374643), (331, 166120), (662, 83060), (1324, 41530), (1655, 33224), (2648, 20765), (3310, 16612), (4153, 13240), (6620, 8306)]