2776880

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 6538272

約数和(自身を除く): 3761392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 337, 412, 515, 674, 824, 1030, 1348, 1648, 1685, 2060, 2696, 3370, 4120, 5392, 6740, 8240, 13480, 26960, 34711, 69422, 138844, 173555, 277688, 347110, 555376, 694220, 1388440, 2776880]

約数ペア:

[(1, 2776880), (2, 1388440), (4, 694220), (5, 555376), (8, 347110), (10, 277688), (16, 173555), (20, 138844), (40, 69422), (80, 34711), (103, 26960), (206, 13480), (337, 8240), (412, 6740), (515, 5392), (674, 4120), (824, 3370), (1030, 2696), (1348, 2060), (1648, 1685)]