15660140

素因数分解:

$2^2\times 5^1\times {\mathrm{783007}}^1$

素因数の和:783016

約数の個数: 12

約数和(自身を含む): 32886336

約数和(自身を除く): 17226196

約数列:

[1, 2, 4, 5, 10, 20, 783007, 1566014, 3132028, 3915035, 7830070, 15660140]

約数ペア:

[(1, 15660140), (2, 7830070), (4, 3915035), (5, 3132028), (10, 1566014), (20, 783007)]