26775880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 62375040

約数和(自身を除く): 35599160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 97, 103, 134, 194, 206, 268, 335, 388, 412, 485, 515, 536, 670, 776, 824, 970, 1030, 1340, 1940, 2060, 2680, 3880, 4120, 6499, 6901, 9991, 12998, 13802, 19982, 25996, 27604, 32495, 34505, 39964, 49955, 51992, 55208, 64990, 69010, 79928, 99910, 129980, 138020, 199820, 259960, 276040, 399640, 669397, 1338794, 2677588, 3346985, 5355176, 6693970, 13387940, 26775880]

約数ペア:

[(1, 26775880), (2, 13387940), (4, 6693970), (5, 5355176), (8, 3346985), (10, 2677588), (20, 1338794), (40, 669397), (67, 399640), (97, 276040), (103, 259960), (134, 199820), (194, 138020), (206, 129980), (268, 99910), (335, 79928), (388, 69010), (412, 64990), (485, 55208), (515, 51992), (536, 49955), (670, 39964), (776, 34505), (824, 32495), (970, 27604), (1030, 25996), (1340, 19982), (1940, 13802), (2060, 12998), (2680, 9991), (3880, 6901), (4120, 6499)]