54985960

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3361}}^1$

素因数の和:3781

約数の個数: 32

約数和(自身を含む): 124057800

約数和(自身を除く): 69071840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 3361, 4090, 6722, 8180, 13444, 16360, 16805, 26888, 33610, 67220, 134440, 1374649, 2749298, 5498596, 6873245, 10997192, 13746490, 27492980, 54985960]

約数ペア:

[(1, 54985960), (2, 27492980), (4, 13746490), (5, 10997192), (8, 6873245), (10, 5498596), (20, 2749298), (40, 1374649), (409, 134440), (818, 67220), (1636, 33610), (2045, 26888), (3272, 16805), (3361, 16360), (4090, 13444), (6722, 8180)]