205380080

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{23993}}^1$

素因数の和:24113

約数の個数: 40

約数和(自身を含む): 481991472

約数和(自身を除く): 276611392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 23993, 47986, 95972, 119965, 191944, 239930, 383888, 479860, 959720, 1919440, 2567251, 5134502, 10269004, 12836255, 20538008, 25672510, 41076016, 51345020, 102690040, 205380080]

約数ペア:

[(1, 205380080), (2, 102690040), (4, 51345020), (5, 41076016), (8, 25672510), (10, 20538008), (16, 12836255), (20, 10269004), (40, 5134502), (80, 2567251), (107, 1919440), (214, 959720), (428, 479860), (535, 383888), (856, 239930), (1070, 191944), (1712, 119965), (2140, 95972), (4280, 47986), (8560, 23993)]