40081400

素因数分解:

$2^3\times 5^2\times {\mathrm{200407}}^1$

素因数の和:200423

約数の個数: 24

約数和(自身を含む): 93189720

約数和(自身を除く): 53108320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 200407, 400814, 801628, 1002035, 1603256, 2004070, 4008140, 5010175, 8016280, 10020350, 20040700, 40081400]

約数ペア:

[(1, 40081400), (2, 20040700), (4, 10020350), (5, 8016280), (8, 5010175), (10, 4008140), (20, 2004070), (25, 1603256), (40, 1002035), (50, 801628), (100, 400814), (200, 200407)]