51086960

素因数分解:

$2^4\times 5^1\times {\mathrm{638587}}^1$

素因数の和:638600

約数の個数: 20

約数和(自身を含む): 118777368

約数和(自身を除く): 67690408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638587, 1277174, 2554348, 3192935, 5108696, 6385870, 10217392, 12771740, 25543480, 51086960]

約数ペア:

[(1, 51086960), (2, 25543480), (4, 12771740), (5, 10217392), (8, 6385870), (10, 5108696), (16, 3192935), (20, 2554348), (40, 1277174), (80, 638587)]