51081940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 141668352

約数和(自身を除く): 90586412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 127, 130, 140, 169, 170, 182, 221, 238, 254, 260, 338, 340, 364, 442, 455, 476, 508, 595, 635, 676, 845, 884, 889, 910, 1105, 1183, 1190, 1270, 1547, 1651, 1690, 1778, 1820, 2159, 2210, 2366, 2380, 2540, 2873, 3094, 3302, 3380, 3556, 4318, 4420, 4445, 4732, 5746, 5915, 6188, 6604, 7735, 8255, 8636, 8890, 10795, 11492, 11557, 11830, 14365, 15113, 15470, 16510, 17780, 20111, 21463, 21590, 23114, 23660, 28067, 28730, 30226, 30940, 33020, 40222, 42926, 43180, 46228, 56134, 57460, 57785, 60452, 75565, 80444, 85852, 100555, 107315, 112268, 115570, 140335, 150241, 151130, 196469, 201110, 214630, 231140, 280670, 300482, 302260, 364871, 392938, 402220, 429260, 561340, 600964, 729742, 751205, 785876, 982345, 1459484, 1502410, 1824355, 1964690, 2554097, 3004820, 3648710, 3929380, 5108194, 7297420, 10216388, 12770485, 25540970, 51081940]

約数ペア:

[(1, 51081940), (2, 25540970), (4, 12770485), (5, 10216388), (7, 7297420), (10, 5108194), (13, 3929380), (14, 3648710), (17, 3004820), (20, 2554097), (26, 1964690), (28, 1824355), (34, 1502410), (35, 1459484), (52, 982345), (65, 785876), (68, 751205), (70, 729742), (85, 600964), (91, 561340), (119, 429260), (127, 402220), (130, 392938), (140, 364871), (169, 302260), (170, 300482), (182, 280670), (221, 231140), (238, 214630), (254, 201110), (260, 196469), (338, 151130), (340, 150241), (364, 140335), (442, 115570), (455, 112268), (476, 107315), (508, 100555), (595, 85852), (635, 80444), (676, 75565), (845, 60452), (884, 57785), (889, 57460), (910, 56134), (1105, 46228), (1183, 43180), (1190, 42926), (1270, 40222), (1547, 33020), (1651, 30940), (1690, 30226), (1778, 28730), (1820, 28067), (2159, 23660), (2210, 23114), (2366, 21590), (2380, 21463), (2540, 20111), (2873, 17780), (3094, 16510), (3302, 15470), (3380, 15113), (3556, 14365), (4318, 11830), (4420, 11557), (4445, 11492), (4732, 10795), (5746, 8890), (5915, 8636), (6188, 8255), (6604, 7735)]