26841080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 69474240

約数和(自身を除く): 42633160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 373, 514, 746, 1028, 1285, 1492, 1799, 1865, 2056, 2570, 2611, 2984, 3598, 3730, 5140, 5222, 7196, 7460, 8995, 10280, 10444, 13055, 14392, 14920, 17990, 20888, 26110, 35980, 52220, 71960, 95861, 104440, 191722, 383444, 479305, 671027, 766888, 958610, 1342054, 1917220, 2684108, 3355135, 3834440, 5368216, 6710270, 13420540, 26841080]

約数ペア:

[(1, 26841080), (2, 13420540), (4, 6710270), (5, 5368216), (7, 3834440), (8, 3355135), (10, 2684108), (14, 1917220), (20, 1342054), (28, 958610), (35, 766888), (40, 671027), (56, 479305), (70, 383444), (140, 191722), (257, 104440), (280, 95861), (373, 71960), (514, 52220), (746, 35980), (1028, 26110), (1285, 20888), (1492, 17990), (1799, 14920), (1865, 14392), (2056, 13055), (2570, 10444), (2611, 10280), (2984, 8995), (3598, 7460), (3730, 7196), (5140, 5222)]