68420080

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7993}}^1$

素因数の和:8113

約数の個数: 40

約数和(自身を含む): 160583472

約数和(自身を除く): 92163392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7993, 8560, 15986, 31972, 39965, 63944, 79930, 127888, 159860, 319720, 639440, 855251, 1710502, 3421004, 4276255, 6842008, 8552510, 13684016, 17105020, 34210040, 68420080]

約数ペア:

[(1, 68420080), (2, 34210040), (4, 17105020), (5, 13684016), (8, 8552510), (10, 6842008), (16, 4276255), (20, 3421004), (40, 1710502), (80, 855251), (107, 639440), (214, 319720), (428, 159860), (535, 127888), (856, 79930), (1070, 63944), (1712, 39965), (2140, 31972), (4280, 15986), (7993, 8560)]