121057880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{21773}}^1$

素因数の和:21923

約数の個数: 32

約数和(自身を含む): 274352400

約数和(自身を除く): 153294520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 21773, 43546, 87092, 108865, 174184, 217730, 435460, 870920, 3026447, 6052894, 12105788, 15132235, 24211576, 30264470, 60528940, 121057880]

約数ペア:

[(1, 121057880), (2, 60528940), (4, 30264470), (5, 24211576), (8, 15132235), (10, 12105788), (20, 6052894), (40, 3026447), (139, 870920), (278, 435460), (556, 217730), (695, 174184), (1112, 108865), (1390, 87092), (2780, 43546), (5560, 21773)]