156923440

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9857}}^1$

素因数の和:10069

約数の個数: 40

約数和(自身を含む): 366717600

約数和(自身を除く): 209794160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 9857, 15920, 19714, 39428, 49285, 78856, 98570, 157712, 197140, 394280, 788560, 1961543, 3923086, 7846172, 9807715, 15692344, 19615430, 31384688, 39230860, 78461720, 156923440]

約数ペア:

[(1, 156923440), (2, 78461720), (4, 39230860), (5, 31384688), (8, 19615430), (10, 15692344), (16, 9807715), (20, 7846172), (40, 3923086), (80, 1961543), (199, 788560), (398, 394280), (796, 197140), (995, 157712), (1592, 98570), (1990, 78856), (3184, 49285), (3980, 39428), (7960, 19714), (9857, 15920)]