8560400

素因数分解:

$2^4\times 5^2\times {\mathrm{21401}}^1$

素因数の和:21419

約数の個数: 30

約数和(自身を含む): 20567322

約数和(自身を除く): 12006922

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 21401, 42802, 85604, 107005, 171208, 214010, 342416, 428020, 535025, 856040, 1070050, 1712080, 2140100, 4280200, 8560400]

約数ペア:

[(1, 8560400), (2, 4280200), (4, 2140100), (5, 1712080), (8, 1070050), (10, 856040), (16, 535025), (20, 428020), (25, 342416), (40, 214010), (50, 171208), (80, 107005), (100, 85604), (200, 42802), (400, 21401)]