87560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 216000

約数和(自身を除く): 128440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 995, 1592, 1990, 2189, 3980, 4378, 7960, 8756, 10945, 17512, 21890, 43780, 87560]

約数ペア:

[(1, 87560), (2, 43780), (4, 21890), (5, 17512), (8, 10945), (10, 8756), (11, 7960), (20, 4378), (22, 3980), (40, 2189), (44, 1990), (55, 1592), (88, 995), (110, 796), (199, 440), (220, 398)]