56671280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 136345440

約数和(自身を除く): 79674160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 97, 109, 134, 194, 218, 268, 335, 388, 436, 485, 536, 545, 670, 776, 872, 970, 1072, 1090, 1340, 1552, 1744, 1940, 2180, 2680, 3880, 4360, 5360, 6499, 7303, 7760, 8720, 10573, 12998, 14606, 21146, 25996, 29212, 32495, 36515, 42292, 51992, 52865, 58424, 64990, 73030, 84584, 103984, 105730, 116848, 129980, 146060, 169168, 211460, 259960, 292120, 422920, 519920, 584240, 708391, 845840, 1416782, 2833564, 3541955, 5667128, 7083910, 11334256, 14167820, 28335640, 56671280]

約数ペア:

[(1, 56671280), (2, 28335640), (4, 14167820), (5, 11334256), (8, 7083910), (10, 5667128), (16, 3541955), (20, 2833564), (40, 1416782), (67, 845840), (80, 708391), (97, 584240), (109, 519920), (134, 422920), (194, 292120), (218, 259960), (268, 211460), (335, 169168), (388, 146060), (436, 129980), (485, 116848), (536, 105730), (545, 103984), (670, 84584), (776, 73030), (872, 64990), (970, 58424), (1072, 52865), (1090, 51992), (1340, 42292), (1552, 36515), (1744, 32495), (1940, 29212), (2180, 25996), (2680, 21146), (3880, 14606), (4360, 12998), (5360, 10573), (6499, 8720), (7303, 7760)]