16940140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{121001}}^1$

素因数の和:121017

約数の個数: 24

約数和(自身を含む): 40656672

約数和(自身を除く): 23716532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 121001, 242002, 484004, 605005, 847007, 1210010, 1694014, 2420020, 3388028, 4235035, 8470070, 16940140]

約数ペア:

[(1, 16940140), (2, 8470070), (4, 4235035), (5, 3388028), (7, 2420020), (10, 1694014), (14, 1210010), (20, 847007), (28, 605005), (35, 484004), (70, 242002), (140, 121001)]