55716980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1009}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 128278080

約数和(自身を除く): 72561100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1009, 1255, 2018, 2510, 2761, 4036, 5020, 5045, 5522, 10090, 11044, 11099, 13805, 20180, 22198, 27610, 44396, 55220, 55495, 110990, 221980, 253259, 506518, 1013036, 1266295, 2532590, 2785849, 5065180, 5571698, 11143396, 13929245, 27858490, 55716980]

約数ペア:

[(1, 55716980), (2, 27858490), (4, 13929245), (5, 11143396), (10, 5571698), (11, 5065180), (20, 2785849), (22, 2532590), (44, 1266295), (55, 1013036), (110, 506518), (220, 253259), (251, 221980), (502, 110990), (1004, 55495), (1009, 55220), (1255, 44396), (2018, 27610), (2510, 22198), (2761, 20180), (4036, 13805), (5020, 11099), (5045, 11044), (5522, 10090)]