249348560

素因数分解:

$2^4\times 5^1\times {\mathrm{3116857}}^1$

素因数の和:3116870

約数の個数: 20

約数和(自身を含む): 579735588

約数和(自身を除く): 330387028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3116857, 6233714, 12467428, 15584285, 24934856, 31168570, 49869712, 62337140, 124674280, 249348560]

約数ペア:

[(1, 249348560), (2, 124674280), (4, 62337140), (5, 49869712), (8, 31168570), (10, 24934856), (16, 15584285), (20, 12467428), (40, 6233714), (80, 3116857)]