91452440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{11489}}^1$

素因数の和:11699

約数の個数: 32

約数和(自身を含む): 206820000

約数和(自身を除く): 115367560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 11489, 22978, 45956, 57445, 91912, 114890, 229780, 459560, 2286311, 4572622, 9145244, 11431555, 18290488, 22863110, 45726220, 91452440]

約数ペア:

[(1, 91452440), (2, 45726220), (4, 22863110), (5, 18290488), (8, 11431555), (10, 9145244), (20, 4572622), (40, 2286311), (199, 459560), (398, 229780), (796, 114890), (995, 91912), (1592, 57445), (1990, 45956), (3980, 22978), (7960, 11489)]