55040140

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2777}}^1$

素因数の和:3777

約数の個数: 24

約数和(自身を含む): 115742592

約数和(自身を除く): 60702452

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 2777, 3964, 4955, 5554, 9910, 11108, 13885, 19820, 27770, 55540, 2752007, 5504014, 11008028, 13760035, 27520070, 55040140]

約数ペア:

[(1, 55040140), (2, 27520070), (4, 13760035), (5, 11008028), (10, 5504014), (20, 2752007), (991, 55540), (1982, 27770), (2777, 19820), (3964, 13885), (4955, 11108), (5554, 9910)]