27738520

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1987}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 62622000

約数和(自身を除く): 34883480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 1987, 2792, 3490, 3974, 6980, 7948, 9935, 13960, 15896, 19870, 39740, 79480, 693463, 1386926, 2773852, 3467315, 5547704, 6934630, 13869260, 27738520]

約数ペア:

[(1, 27738520), (2, 13869260), (4, 6934630), (5, 5547704), (8, 3467315), (10, 2773852), (20, 1386926), (40, 693463), (349, 79480), (698, 39740), (1396, 19870), (1745, 15896), (1987, 13960), (2792, 9935), (3490, 7948), (3974, 6980)]