26999560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 69909120

約数和(自身を除く): 42909560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 457, 844, 914, 1055, 1477, 1688, 1828, 2110, 2285, 2954, 3199, 3656, 4220, 4570, 5908, 6398, 7385, 8440, 9140, 11816, 12796, 14770, 15995, 18280, 25592, 29540, 31990, 59080, 63980, 96427, 127960, 192854, 385708, 482135, 674989, 771416, 964270, 1349978, 1928540, 2699956, 3374945, 3857080, 5399912, 6749890, 13499780, 26999560]

約数ペア:

[(1, 26999560), (2, 13499780), (4, 6749890), (5, 5399912), (7, 3857080), (8, 3374945), (10, 2699956), (14, 1928540), (20, 1349978), (28, 964270), (35, 771416), (40, 674989), (56, 482135), (70, 385708), (140, 192854), (211, 127960), (280, 96427), (422, 63980), (457, 59080), (844, 31990), (914, 29540), (1055, 25592), (1477, 18280), (1688, 15995), (1828, 14770), (2110, 12796), (2285, 11816), (2954, 9140), (3199, 8440), (3656, 7385), (4220, 6398), (4570, 5908)]