66259040

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2081}}^1$

素因数の和:2295

約数の個数: 48

約数和(自身を含む): 157399200

約数和(自身を除く): 91140160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 2081, 3184, 3980, 4162, 6368, 7960, 8324, 10405, 15920, 16648, 20810, 31840, 33296, 41620, 66592, 83240, 166480, 332960, 414119, 828238, 1656476, 2070595, 3312952, 4141190, 6625904, 8282380, 13251808, 16564760, 33129520, 66259040]

約数ペア:

[(1, 66259040), (2, 33129520), (4, 16564760), (5, 13251808), (8, 8282380), (10, 6625904), (16, 4141190), (20, 3312952), (32, 2070595), (40, 1656476), (80, 828238), (160, 414119), (199, 332960), (398, 166480), (796, 83240), (995, 66592), (1592, 41620), (1990, 33296), (2081, 31840), (3184, 20810), (3980, 16648), (4162, 15920), (6368, 10405), (7960, 8324)]