28401070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^2$

素因数の和:564

約数の個数: 24

約数和(自身を含む): 52515144

約数和(自身を除く): 24114074

約数列:

[1, 2, 5, 10, 43, 86, 215, 257, 430, 514, 1285, 2570, 11051, 22102, 55255, 66049, 110510, 132098, 330245, 660490, 2840107, 5680214, 14200535, 28401070]

約数ペア:

[(1, 28401070), (2, 14200535), (5, 5680214), (10, 2840107), (43, 660490), (86, 330245), (215, 132098), (257, 110510), (430, 66049), (514, 55255), (1285, 22102), (2570, 11051)]