27655120

素因数分解:

$2^4\times 5^1\times {\mathrm{345689}}^1$

素因数の和:345702

約数の個数: 20

約数和(自身を含む): 64298340

約数和(自身を除く): 36643220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 345689, 691378, 1382756, 1728445, 2765512, 3456890, 5531024, 6913780, 13827560, 27655120]

約数ペア:

[(1, 27655120), (2, 13827560), (4, 6913780), (5, 5531024), (8, 3456890), (10, 2765512), (16, 1728445), (20, 1382756), (40, 691378), (80, 345689)]