28229360

素因数分解:

$2^4\times 5^1\times {\mathrm{352867}}^1$

素因数の和:352880

約数の個数: 20

約数和(自身を含む): 65633448

約数和(自身を除く): 37404088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352867, 705734, 1411468, 1764335, 2822936, 3528670, 5645872, 7057340, 14114680, 28229360]

約数ペア:

[(1, 28229360), (2, 14114680), (4, 7057340), (5, 5645872), (8, 3528670), (10, 2822936), (16, 1764335), (20, 1411468), (40, 705734), (80, 352867)]