28360400

素因数分解:

$2^4\times 5^2\times {\mathrm{70901}}^1$

素因数の和:70919

約数の個数: 30

約数和(自身を含む): 68136822

約数和(自身を除く): 39776422

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70901, 141802, 283604, 354505, 567208, 709010, 1134416, 1418020, 1772525, 2836040, 3545050, 5672080, 7090100, 14180200, 28360400]

約数ペア:

[(1, 28360400), (2, 14180200), (4, 7090100), (5, 5672080), (8, 3545050), (10, 2836040), (16, 1772525), (20, 1418020), (25, 1134416), (40, 709010), (50, 567208), (80, 354505), (100, 283604), (200, 141802), (400, 70901)]