55380040

素因数分解:

$2^3\times 5^1\times {\mathrm{1384501}}^1$

素因数の和:1384512

約数の個数: 16

約数和(自身を含む): 124605180

約数和(自身を除く): 69225140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1384501, 2769002, 5538004, 6922505, 11076008, 13845010, 27690020, 55380040]

約数ペア:

[(1, 55380040), (2, 27690020), (4, 13845010), (5, 11076008), (8, 6922505), (10, 5538004), (20, 2769002), (40, 1384501)]