2189960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1033}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 5025240

約数和(自身を除く): 2835280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1033, 1060, 2066, 2120, 4132, 5165, 8264, 10330, 20660, 41320, 54749, 109498, 218996, 273745, 437992, 547490, 1094980, 2189960]

約数ペア:

[(1, 2189960), (2, 1094980), (4, 547490), (5, 437992), (8, 273745), (10, 218996), (20, 109498), (40, 54749), (53, 41320), (106, 20660), (212, 10330), (265, 8264), (424, 5165), (530, 4132), (1033, 2120), (1060, 2066)]