55001780

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{5647}}^1$

素因数の和:6143

約数の個数: 24

約数和(自身を含む): 115761408

約数和(自身を除く): 60759628

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 5647, 9740, 11294, 22588, 28235, 56470, 112940, 2750089, 5500178, 11000356, 13750445, 27500890, 55001780]

約数ペア:

[(1, 55001780), (2, 27500890), (4, 13750445), (5, 11000356), (10, 5500178), (20, 2750089), (487, 112940), (974, 56470), (1948, 28235), (2435, 22588), (4870, 11294), (5647, 9740)]