22265960

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 50257800

約数和(自身を除く): 27991840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1361, 1636, 2045, 2722, 3272, 4090, 5444, 6805, 8180, 10888, 13610, 16360, 27220, 54440, 556649, 1113298, 2226596, 2783245, 4453192, 5566490, 11132980, 22265960]

約数ペア:

[(1, 22265960), (2, 11132980), (4, 5566490), (5, 4453192), (8, 2783245), (10, 2226596), (20, 1113298), (40, 556649), (409, 54440), (818, 27220), (1361, 16360), (1636, 13610), (2045, 10888), (2722, 8180), (3272, 6805), (4090, 5444)]