204512240

素因数分解:

$2^4\times 5^1\times {\mathrm{2556403}}^1$

素因数の和:2556416

約数の個数: 20

約数和(自身を含む): 475491144

約数和(自身を除く): 270978904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2556403, 5112806, 10225612, 12782015, 20451224, 25564030, 40902448, 51128060, 102256120, 204512240]

約数ペア:

[(1, 204512240), (2, 102256120), (4, 51128060), (5, 40902448), (8, 25564030), (10, 20451224), (16, 12782015), (20, 10225612), (40, 5112806), (80, 2556403)]