15221680

素因数分解:

$2^4\times 5^1\times {\mathrm{190271}}^1$

素因数の和:190284

約数の個数: 20

約数和(自身を含む): 35390592

約数和(自身を除く): 20168912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190271, 380542, 761084, 951355, 1522168, 1902710, 3044336, 3805420, 7610840, 15221680]

約数ペア:

[(1, 15221680), (2, 7610840), (4, 3805420), (5, 3044336), (8, 1902710), (10, 1522168), (16, 951355), (20, 761084), (40, 380542), (80, 190271)]