40227400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1021}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 94095540

約数和(自身を除く): 53868140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1021, 1576, 1970, 2042, 3940, 4084, 4925, 5105, 7880, 8168, 9850, 10210, 19700, 20420, 25525, 39400, 40840, 51050, 102100, 201137, 204200, 402274, 804548, 1005685, 1609096, 2011370, 4022740, 5028425, 8045480, 10056850, 20113700, 40227400]

約数ペア:

[(1, 40227400), (2, 20113700), (4, 10056850), (5, 8045480), (8, 5028425), (10, 4022740), (20, 2011370), (25, 1609096), (40, 1005685), (50, 804548), (100, 402274), (197, 204200), (200, 201137), (394, 102100), (788, 51050), (985, 40840), (1021, 39400), (1576, 25525), (1970, 20420), (2042, 19700), (3940, 10210), (4084, 9850), (4925, 8168), (5105, 7880)]