201637720

素因数分解:

$2^3\times 5^1\times {\mathrm{5040943}}^1$

素因数の和:5040954

約数の個数: 16

約数和(自身を含む): 453684960

約数和(自身を除く): 252047240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040943, 10081886, 20163772, 25204715, 40327544, 50409430, 100818860, 201637720]

約数ペア:

[(1, 201637720), (2, 100818860), (4, 50409430), (5, 40327544), (8, 25204715), (10, 20163772), (20, 10081886), (40, 5040943)]