25482020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11689}}^1$

素因数の和:11807

約数の個数: 24

約数和(自身を含む): 54007800

約数和(自身を除く): 28525780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11689, 23378, 46756, 58445, 116890, 233780, 1274101, 2548202, 5096404, 6370505, 12741010, 25482020]

約数ペア:

[(1, 25482020), (2, 12741010), (4, 6370505), (5, 5096404), (10, 2548202), (20, 1274101), (109, 233780), (218, 116890), (436, 58445), (545, 46756), (1090, 23378), (2180, 11689)]