51704240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 138657792

約数和(自身を除く): 86953552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 727, 889, 1016, 1270, 1454, 1778, 2032, 2540, 2908, 3556, 3635, 4445, 5080, 5089, 5816, 7112, 7270, 8890, 10160, 10178, 11632, 14224, 14540, 17780, 20356, 25445, 29080, 35560, 40712, 50890, 58160, 71120, 81424, 92329, 101780, 184658, 203560, 369316, 407120, 461645, 646303, 738632, 923290, 1292606, 1477264, 1846580, 2585212, 3231515, 3693160, 5170424, 6463030, 7386320, 10340848, 12926060, 25852120, 51704240]

約数ペア:

[(1, 51704240), (2, 25852120), (4, 12926060), (5, 10340848), (7, 7386320), (8, 6463030), (10, 5170424), (14, 3693160), (16, 3231515), (20, 2585212), (28, 1846580), (35, 1477264), (40, 1292606), (56, 923290), (70, 738632), (80, 646303), (112, 461645), (127, 407120), (140, 369316), (254, 203560), (280, 184658), (508, 101780), (560, 92329), (635, 81424), (727, 71120), (889, 58160), (1016, 50890), (1270, 40712), (1454, 35560), (1778, 29080), (2032, 25445), (2540, 20356), (2908, 17780), (3556, 14540), (3635, 14224), (4445, 11632), (5080, 10178), (5089, 10160), (5816, 8890), (7112, 7270)]