55688840

素因数分解:

$2^3\times 5^1\times {\mathrm{1392221}}^1$

素因数の和:1392232

約数の個数: 16

約数和(自身を含む): 125299980

約数和(自身を除く): 69611140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1392221, 2784442, 5568884, 6961105, 11137768, 13922210, 27844420, 55688840]

約数ペア:

[(1, 55688840), (2, 27844420), (4, 13922210), (5, 11137768), (8, 6961105), (10, 5568884), (20, 2784442), (40, 1392221)]