54040400

素因数分解:

$2^4\times 5^2\times {\mathrm{135101}}^1$

素因数の和:135119

約数の個数: 30

約数和(自身を含む): 129833022

約数和(自身を除く): 75792622

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 135101, 270202, 540404, 675505, 1080808, 1351010, 2161616, 2702020, 3377525, 5404040, 6755050, 10808080, 13510100, 27020200, 54040400]

約数ペア:

[(1, 54040400), (2, 27020200), (4, 13510100), (5, 10808080), (8, 6755050), (10, 5404040), (16, 3377525), (20, 2702020), (25, 2161616), (40, 1351010), (50, 1080808), (80, 675505), (100, 540404), (200, 270202), (400, 135101)]