28947140

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{3779}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 60963840

約数和(自身を除く): 32016700

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3779, 3830, 7558, 7660, 15116, 18895, 37790, 75580, 1447357, 2894714, 5789428, 7236785, 14473570, 28947140]

約数ペア:

[(1, 28947140), (2, 14473570), (4, 7236785), (5, 5789428), (10, 2894714), (20, 1447357), (383, 75580), (766, 37790), (1532, 18895), (1915, 15116), (3779, 7660), (3830, 7558)]