83940080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149893}}^1$

素因数の和:149913

約数の個数: 40

約数和(自身を含む): 223042272

約数和(自身を除く): 139102192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 149893, 299786, 599572, 749465, 1049251, 1199144, 1498930, 2098502, 2398288, 2997860, 4197004, 5246255, 5995720, 8394008, 10492510, 11991440, 16788016, 20985020, 41970040, 83940080]

約数ペア:

[(1, 83940080), (2, 41970040), (4, 20985020), (5, 16788016), (7, 11991440), (8, 10492510), (10, 8394008), (14, 5995720), (16, 5246255), (20, 4197004), (28, 2997860), (35, 2398288), (40, 2098502), (56, 1498930), (70, 1199144), (80, 1049251), (112, 749465), (140, 599572), (280, 299786), (560, 149893)]