28056880

素因数分解:

$2^4\times 5^1\times {\mathrm{350711}}^1$

素因数の和:350724

約数の個数: 20

約数和(自身を含む): 65232432

約数和(自身を除く): 37175552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 350711, 701422, 1402844, 1753555, 2805688, 3507110, 5611376, 7014220, 14028440, 28056880]

約数ペア:

[(1, 28056880), (2, 14028440), (4, 7014220), (5, 5611376), (8, 3507110), (10, 2805688), (16, 1753555), (20, 1402844), (40, 701422), (80, 350711)]