39475720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 92664000

約数和(自身を除く): 53188280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 236, 295, 344, 389, 430, 472, 590, 778, 860, 1180, 1556, 1720, 1945, 2360, 2537, 3112, 3890, 5074, 7780, 10148, 12685, 15560, 16727, 20296, 22951, 25370, 33454, 45902, 50740, 66908, 83635, 91804, 101480, 114755, 133816, 167270, 183608, 229510, 334540, 459020, 669080, 918040, 986893, 1973786, 3947572, 4934465, 7895144, 9868930, 19737860, 39475720]

約数ペア:

[(1, 39475720), (2, 19737860), (4, 9868930), (5, 7895144), (8, 4934465), (10, 3947572), (20, 1973786), (40, 986893), (43, 918040), (59, 669080), (86, 459020), (118, 334540), (172, 229510), (215, 183608), (236, 167270), (295, 133816), (344, 114755), (389, 101480), (430, 91804), (472, 83635), (590, 66908), (778, 50740), (860, 45902), (1180, 33454), (1556, 25370), (1720, 22951), (1945, 20296), (2360, 16727), (2537, 15560), (3112, 12685), (3890, 10148), (5074, 7780)]