15516080

素因数分解:

$2^4\times 5^1\times {\mathrm{193951}}^1$

素因数の和:193964

約数の個数: 20

約数和(自身を含む): 36075072

約数和(自身を除く): 20558992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193951, 387902, 775804, 969755, 1551608, 1939510, 3103216, 3879020, 7758040, 15516080]

約数ペア:

[(1, 15516080), (2, 7758040), (4, 3879020), (5, 3103216), (8, 1939510), (10, 1551608), (16, 969755), (20, 775804), (40, 387902), (80, 193951)]