85908880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56519}}^1$

素因数の和:56551

約数の個数: 40

約数和(自身を含む): 210254400

約数和(自身を除く): 124345520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 56519, 113038, 226076, 282595, 452152, 565190, 904304, 1073861, 1130380, 2147722, 2260760, 4295444, 4521520, 5369305, 8590888, 10738610, 17181776, 21477220, 42954440, 85908880]

約数ペア:

[(1, 85908880), (2, 42954440), (4, 21477220), (5, 17181776), (8, 10738610), (10, 8590888), (16, 5369305), (19, 4521520), (20, 4295444), (38, 2260760), (40, 2147722), (76, 1130380), (80, 1073861), (95, 904304), (152, 565190), (190, 452152), (304, 282595), (380, 226076), (760, 113038), (1520, 56519)]