267940520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{21401}}^1$

素因数の和:21725

約数の個数: 32

約数和(自身を含む): 604820520

約数和(自身を除く): 336880000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 21401, 42802, 85604, 107005, 171208, 214010, 428020, 856040, 6698513, 13397026, 26794052, 33492565, 53588104, 66985130, 133970260, 267940520]

約数ペア:

[(1, 267940520), (2, 133970260), (4, 66985130), (5, 53588104), (8, 33492565), (10, 26794052), (20, 13397026), (40, 6698513), (313, 856040), (626, 428020), (1252, 214010), (1565, 171208), (2504, 107005), (3130, 85604), (6260, 42802), (12520, 21401)]