15131120

素因数分解:

$2^4\times 5^1\times {\mathrm{189139}}^1$

素因数の和:189152

約数の個数: 20

約数和(自身を含む): 35180040

約数和(自身を除く): 20048920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189139, 378278, 756556, 945695, 1513112, 1891390, 3026224, 3782780, 7565560, 15131120]

約数ペア:

[(1, 15131120), (2, 7565560), (4, 3782780), (5, 3026224), (8, 1891390), (10, 1513112), (16, 945695), (20, 756556), (40, 378278), (80, 189139)]