28175020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3209}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 59320800

約数和(自身を除く): 31145780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 3209, 4390, 6418, 8780, 12836, 16045, 32090, 64180, 1408751, 2817502, 5635004, 7043755, 14087510, 28175020]

約数ペア:

[(1, 28175020), (2, 14087510), (4, 7043755), (5, 5635004), (10, 2817502), (20, 1408751), (439, 64180), (878, 32090), (1756, 16045), (2195, 12836), (3209, 8780), (4390, 6418)]