49805680

素因数分解:

$2^4\times 5^1\times {\mathrm{622571}}^1$

素因数の和:622584

約数の個数: 20

約数和(自身を含む): 115798392

約数和(自身を除く): 65992712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 622571, 1245142, 2490284, 3112855, 4980568, 6225710, 9961136, 12451420, 24902840, 49805680]

約数ペア:

[(1, 49805680), (2, 24902840), (4, 12451420), (5, 9961136), (8, 6225710), (10, 4980568), (16, 3112855), (20, 2490284), (40, 1245142), (80, 622571)]