51966320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 140133888

約数和(自身を除く): 88167568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1307, 1420, 1988, 2485, 2614, 2840, 3976, 4970, 5228, 5680, 6535, 7952, 9149, 9940, 10456, 13070, 18298, 19880, 20912, 26140, 36596, 39760, 45745, 52280, 73192, 91490, 92797, 104560, 146384, 182980, 185594, 365960, 371188, 463985, 649579, 731920, 742376, 927970, 1299158, 1484752, 1855940, 2598316, 3247895, 3711880, 5196632, 6495790, 7423760, 10393264, 12991580, 25983160, 51966320]

約数ペア:

[(1, 51966320), (2, 25983160), (4, 12991580), (5, 10393264), (7, 7423760), (8, 6495790), (10, 5196632), (14, 3711880), (16, 3247895), (20, 2598316), (28, 1855940), (35, 1484752), (40, 1299158), (56, 927970), (70, 742376), (71, 731920), (80, 649579), (112, 463985), (140, 371188), (142, 365960), (280, 185594), (284, 182980), (355, 146384), (497, 104560), (560, 92797), (568, 91490), (710, 73192), (994, 52280), (1136, 45745), (1307, 39760), (1420, 36596), (1988, 26140), (2485, 20912), (2614, 19880), (2840, 18298), (3976, 13070), (4970, 10456), (5228, 9940), (5680, 9149), (6535, 7952)]