16659560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3821}}^1$

素因数の和:3941

約数の個数: 32

約数和(自身を含む): 37837800

約数和(自身を除く): 21178240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3821, 4360, 7642, 15284, 19105, 30568, 38210, 76420, 152840, 416489, 832978, 1665956, 2082445, 3331912, 4164890, 8329780, 16659560]

約数ペア:

[(1, 16659560), (2, 8329780), (4, 4164890), (5, 3331912), (8, 2082445), (10, 1665956), (20, 832978), (40, 416489), (109, 152840), (218, 76420), (436, 38210), (545, 30568), (872, 19105), (1090, 15284), (2180, 7642), (3821, 4360)]