51430280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 127137600

約数和(自身を除く): 75707320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 653, 716, 895, 1306, 1432, 1790, 1969, 2612, 3265, 3580, 3938, 5224, 6530, 7160, 7183, 7876, 9845, 13060, 14366, 15752, 19690, 26120, 28732, 35915, 39380, 57464, 71830, 78760, 116887, 143660, 233774, 287320, 467548, 584435, 935096, 1168870, 1285757, 2337740, 2571514, 4675480, 5143028, 6428785, 10286056, 12857570, 25715140, 51430280]

約数ペア:

[(1, 51430280), (2, 25715140), (4, 12857570), (5, 10286056), (8, 6428785), (10, 5143028), (11, 4675480), (20, 2571514), (22, 2337740), (40, 1285757), (44, 1168870), (55, 935096), (88, 584435), (110, 467548), (179, 287320), (220, 233774), (358, 143660), (440, 116887), (653, 78760), (716, 71830), (895, 57464), (1306, 39380), (1432, 35915), (1790, 28732), (1969, 26120), (2612, 19690), (3265, 15752), (3580, 14366), (3938, 13060), (5224, 9845), (6530, 7876), (7160, 7183)]