28426940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34667}}^1$

素因数の和:34717

約数の個数: 24

約数和(自身を含む): 61154352

約数和(自身を除く): 32727412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34667, 69334, 138668, 173335, 346670, 693340, 1421347, 2842694, 5685388, 7106735, 14213470, 28426940]

約数ペア:

[(1, 28426940), (2, 14213470), (4, 7106735), (5, 5685388), (10, 2842694), (20, 1421347), (41, 693340), (82, 346670), (164, 173335), (205, 138668), (410, 69334), (820, 34667)]