39696040

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3191}}^1$

素因数の和:3513

約数の個数: 32

約数和(自身を含む): 89631360

約数和(自身を除く): 49935320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 3191, 6220, 6382, 12440, 12764, 15955, 25528, 31910, 63820, 127640, 992401, 1984802, 3969604, 4962005, 7939208, 9924010, 19848020, 39696040]

約数ペア:

[(1, 39696040), (2, 19848020), (4, 9924010), (5, 7939208), (8, 4962005), (10, 3969604), (20, 1984802), (40, 992401), (311, 127640), (622, 63820), (1244, 31910), (1555, 25528), (2488, 15955), (3110, 12764), (3191, 12440), (6220, 6382)]