15489520

素因数分解:

$2^4\times 5^1\times {\mathrm{193619}}^1$

素因数の和:193632

約数の個数: 20

約数和(自身を含む): 36013320

約数和(自身を除く): 20523800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193619, 387238, 774476, 968095, 1548952, 1936190, 3097904, 3872380, 7744760, 15489520]

約数ペア:

[(1, 15489520), (2, 7744760), (4, 3872380), (5, 3097904), (8, 1936190), (10, 1548952), (16, 968095), (20, 774476), (40, 387238), (80, 193619)]