54415720

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9787}}^1$

素因数の和:9937

約数の個数: 32

約数和(自身を含む): 123328800

約数和(自身を除く): 68913080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 9787, 19574, 39148, 48935, 78296, 97870, 195740, 391480, 1360393, 2720786, 5441572, 6801965, 10883144, 13603930, 27207860, 54415720]

約数ペア:

[(1, 54415720), (2, 27207860), (4, 13603930), (5, 10883144), (8, 6801965), (10, 5441572), (20, 2720786), (40, 1360393), (139, 391480), (278, 195740), (556, 97870), (695, 78296), (1112, 48935), (1390, 39148), (2780, 19574), (5560, 9787)]