49638560

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1559}}^1$

素因数の和:1773

約数の個数: 48

約数和(自身を含む): 117936000

約数和(自身を除く): 68297440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1559, 1592, 1990, 3118, 3184, 3980, 6236, 6368, 7795, 7960, 12472, 15590, 15920, 24944, 31180, 31840, 49888, 62360, 124720, 249440, 310241, 620482, 1240964, 1551205, 2481928, 3102410, 4963856, 6204820, 9927712, 12409640, 24819280, 49638560]

約数ペア:

[(1, 49638560), (2, 24819280), (4, 12409640), (5, 9927712), (8, 6204820), (10, 4963856), (16, 3102410), (20, 2481928), (32, 1551205), (40, 1240964), (80, 620482), (160, 310241), (199, 249440), (398, 124720), (796, 62360), (995, 49888), (1559, 31840), (1592, 31180), (1990, 24944), (3118, 15920), (3184, 15590), (3980, 12472), (6236, 7960), (6368, 7795)]