26380360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 63273600

約数和(自身を除く): 36893240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 337, 380, 412, 515, 674, 760, 824, 1030, 1348, 1685, 1957, 2060, 2696, 3370, 3914, 4120, 6403, 6740, 7828, 9785, 12806, 13480, 15656, 19570, 25612, 32015, 34711, 39140, 51224, 64030, 69422, 78280, 128060, 138844, 173555, 256120, 277688, 347110, 659509, 694220, 1319018, 1388440, 2638036, 3297545, 5276072, 6595090, 13190180, 26380360]

約数ペア:

[(1, 26380360), (2, 13190180), (4, 6595090), (5, 5276072), (8, 3297545), (10, 2638036), (19, 1388440), (20, 1319018), (38, 694220), (40, 659509), (76, 347110), (95, 277688), (103, 256120), (152, 173555), (190, 138844), (206, 128060), (337, 78280), (380, 69422), (412, 64030), (515, 51224), (674, 39140), (760, 34711), (824, 32015), (1030, 25612), (1348, 19570), (1685, 15656), (1957, 13480), (2060, 12806), (2696, 9785), (3370, 7828), (3914, 6740), (4120, 6403)]