168656480

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5297}}^1$

素因数の和:5511

約数の個数: 48

約数和(自身を含む): 400528800

約数和(自身を除く): 231872320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 5297, 6368, 7960, 10594, 15920, 21188, 26485, 31840, 42376, 52970, 84752, 105940, 169504, 211880, 423760, 847520, 1054103, 2108206, 4216412, 5270515, 8432824, 10541030, 16865648, 21082060, 33731296, 42164120, 84328240, 168656480]

約数ペア:

[(1, 168656480), (2, 84328240), (4, 42164120), (5, 33731296), (8, 21082060), (10, 16865648), (16, 10541030), (20, 8432824), (32, 5270515), (40, 4216412), (80, 2108206), (160, 1054103), (199, 847520), (398, 423760), (796, 211880), (995, 169504), (1592, 105940), (1990, 84752), (3184, 52970), (3980, 42376), (5297, 31840), (6368, 26485), (7960, 21188), (10594, 15920)]