804960400

素因数分解:

$2^4\times 5^2\times {\mathrm{2012401}}^1$

素因数の和:2012419

約数の個数: 30

約数和(自身を含む): 1933918322

約数和(自身を除く): 1128957922

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2012401, 4024802, 8049604, 10062005, 16099208, 20124010, 32198416, 40248020, 50310025, 80496040, 100620050, 160992080, 201240100, 402480200, 804960400]

約数ペア:

[(1, 804960400), (2, 402480200), (4, 201240100), (5, 160992080), (8, 100620050), (10, 80496040), (16, 50310025), (20, 40248020), (25, 32198416), (40, 20124010), (50, 16099208), (80, 10062005), (100, 8049604), (200, 4024802), (400, 2012401)]