80688410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{17891}}^1$

素因数の和:17950

約数の個数: 32

約数和(自身を含む): 162316224

約数和(自身を除く): 81627814

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 17891, 35782, 89455, 178910, 196801, 393602, 733531, 984005, 1467062, 1968010, 3667655, 7335310, 8068841, 16137682, 40344205, 80688410]

約数ペア:

[(1, 80688410), (2, 40344205), (5, 16137682), (10, 8068841), (11, 7335310), (22, 3667655), (41, 1968010), (55, 1467062), (82, 984005), (110, 733531), (205, 393602), (410, 196801), (451, 178910), (902, 89455), (2255, 35782), (4510, 17891)]