54487280

素因数分解:

$2^4\times 5^1\times {\mathrm{681091}}^1$

素因数の和:681104

約数の個数: 20

約数和(自身を含む): 126683112

約数和(自身を除く): 72195832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 681091, 1362182, 2724364, 3405455, 5448728, 6810910, 10897456, 13621820, 27243640, 54487280]

約数ペア:

[(1, 54487280), (2, 27243640), (4, 13621820), (5, 10897456), (8, 6810910), (10, 5448728), (16, 3405455), (20, 2724364), (40, 1362182), (80, 681091)]