55901740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25643}}^1$

素因数の和:25761

約数の個数: 24

約数和(自身を含む): 118475280

約数和(自身を除く): 62573540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25643, 51286, 102572, 128215, 256430, 512860, 2795087, 5590174, 11180348, 13975435, 27950870, 55901740]

約数ペア:

[(1, 55901740), (2, 27950870), (4, 13975435), (5, 11180348), (10, 5590174), (20, 2795087), (109, 512860), (218, 256430), (436, 128215), (545, 102572), (1090, 51286), (2180, 25643)]