28574020

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1433}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 60107544

約数和(自身を除く): 31533524

約数列:

[1, 2, 4, 5, 10, 20, 997, 1433, 1994, 2866, 3988, 4985, 5732, 7165, 9970, 14330, 19940, 28660, 1428701, 2857402, 5714804, 7143505, 14287010, 28574020]

約数ペア:

[(1, 28574020), (2, 14287010), (4, 7143505), (5, 5714804), (10, 2857402), (20, 1428701), (997, 28660), (1433, 19940), (1994, 14330), (2866, 9970), (3988, 7165), (4985, 5732)]