26126440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 35159960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 127, 139, 148, 185, 254, 278, 296, 370, 508, 556, 635, 695, 740, 1016, 1112, 1270, 1390, 1480, 2540, 2780, 4699, 5080, 5143, 5560, 9398, 10286, 17653, 18796, 20572, 23495, 25715, 35306, 37592, 41144, 46990, 51430, 70612, 88265, 93980, 102860, 141224, 176530, 187960, 205720, 353060, 653161, 706120, 1306322, 2612644, 3265805, 5225288, 6531610, 13063220, 26126440]

約数ペア:

[(1, 26126440), (2, 13063220), (4, 6531610), (5, 5225288), (8, 3265805), (10, 2612644), (20, 1306322), (37, 706120), (40, 653161), (74, 353060), (127, 205720), (139, 187960), (148, 176530), (185, 141224), (254, 102860), (278, 93980), (296, 88265), (370, 70612), (508, 51430), (556, 46990), (635, 41144), (695, 37592), (740, 35306), (1016, 25715), (1112, 23495), (1270, 20572), (1390, 18796), (1480, 17653), (2540, 10286), (2780, 9398), (4699, 5560), (5080, 5143)]