40002004

素因数分解:

$2^2\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{1279}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 80138240

約数和(自身を除く): 40136236

約数列:

[1, 2, 4, 7, 14, 28, 1117, 1279, 2234, 2558, 4468, 5116, 7819, 8953, 15638, 17906, 31276, 35812, 1428643, 2857286, 5714572, 10000501, 20001002, 40002004]

約数ペア:

[(1, 40002004), (2, 20001002), (4, 10000501), (7, 5714572), (14, 2857286), (28, 1428643), (1117, 35812), (1279, 31276), (2234, 17906), (2558, 15638), (4468, 8953), (5116, 7819)]