55228840

素因数分解:

$2^3\times 5^1\times {\mathrm{1380721}}^1$

素因数の和:1380732

約数の個数: 16

約数和(自身を含む): 124264980

約数和(自身を除く): 69036140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1380721, 2761442, 5522884, 6903605, 11045768, 13807210, 27614420, 55228840]

約数ペア:

[(1, 55228840), (2, 27614420), (4, 13807210), (5, 11045768), (8, 6903605), (10, 5522884), (20, 2761442), (40, 1380721)]