40484560

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2543}}^1$

素因数の和:2755

約数の個数: 40

約数和(自身を含む): 94636800

約数和(自身を除く): 54152240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 2543, 3184, 3980, 5086, 7960, 10172, 12715, 15920, 20344, 25430, 40688, 50860, 101720, 203440, 506057, 1012114, 2024228, 2530285, 4048456, 5060570, 8096912, 10121140, 20242280, 40484560]

約数ペア:

[(1, 40484560), (2, 20242280), (4, 10121140), (5, 8096912), (8, 5060570), (10, 4048456), (16, 2530285), (20, 2024228), (40, 1012114), (80, 506057), (199, 203440), (398, 101720), (796, 50860), (995, 40688), (1592, 25430), (1990, 20344), (2543, 15920), (3184, 12715), (3980, 10172), (5086, 7960)]