52760720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 130765440

約数和(自身を除く): 78004720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 337, 380, 412, 515, 674, 760, 824, 1030, 1348, 1520, 1648, 1685, 1957, 2060, 2696, 3370, 3914, 4120, 5392, 6403, 6740, 7828, 8240, 9785, 12806, 13480, 15656, 19570, 25612, 26960, 31312, 32015, 34711, 39140, 51224, 64030, 69422, 78280, 102448, 128060, 138844, 156560, 173555, 256120, 277688, 347110, 512240, 555376, 659509, 694220, 1319018, 1388440, 2638036, 2776880, 3297545, 5276072, 6595090, 10552144, 13190180, 26380360, 52760720]

約数ペア:

[(1, 52760720), (2, 26380360), (4, 13190180), (5, 10552144), (8, 6595090), (10, 5276072), (16, 3297545), (19, 2776880), (20, 2638036), (38, 1388440), (40, 1319018), (76, 694220), (80, 659509), (95, 555376), (103, 512240), (152, 347110), (190, 277688), (206, 256120), (304, 173555), (337, 156560), (380, 138844), (412, 128060), (515, 102448), (674, 78280), (760, 69422), (824, 64030), (1030, 51224), (1348, 39140), (1520, 34711), (1648, 32015), (1685, 31312), (1957, 26960), (2060, 25612), (2696, 19570), (3370, 15656), (3914, 13480), (4120, 12806), (5392, 9785), (6403, 8240), (6740, 7828)]