8639432440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1\times {\mathrm{5051}}^1$

素因数の和:5824

約数の個数: 64

約数和(自身を含む): 19789492320

約数和(自身を除く): 11150059880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 701, 1220, 1402, 2440, 2804, 3505, 5051, 5608, 7010, 10102, 14020, 20204, 25255, 28040, 40408, 42761, 50510, 85522, 101020, 171044, 202040, 213805, 308111, 342088, 427610, 616222, 855220, 1232444, 1540555, 1710440, 2464888, 3081110, 3540751, 6162220, 7081502, 12324440, 14163004, 17703755, 28326008, 35407510, 70815020, 141630040, 215985811, 431971622, 863943244, 1079929055, 1727886488, 2159858110, 4319716220, 8639432440]

約数ペア:

[(1, 8639432440), (2, 4319716220), (4, 2159858110), (5, 1727886488), (8, 1079929055), (10, 863943244), (20, 431971622), (40, 215985811), (61, 141630040), (122, 70815020), (244, 35407510), (305, 28326008), (488, 17703755), (610, 14163004), (701, 12324440), (1220, 7081502), (1402, 6162220), (2440, 3540751), (2804, 3081110), (3505, 2464888), (5051, 1710440), (5608, 1540555), (7010, 1232444), (10102, 855220), (14020, 616222), (20204, 427610), (25255, 342088), (28040, 308111), (40408, 213805), (42761, 202040), (50510, 171044), (85522, 101020)]