28507720

素因数分解:

$2^3\times 5^1\times {\mathrm{712693}}^1$

素因数の和:712704

約数の個数: 16

約数和(自身を含む): 64142460

約数和(自身を除く): 35634740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 712693, 1425386, 2850772, 3563465, 5701544, 7126930, 14253860, 28507720]

約数ペア:

[(1, 28507720), (2, 14253860), (4, 7126930), (5, 5701544), (8, 3563465), (10, 2850772), (20, 1425386), (40, 712693)]