87422020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{624443}}^1$

素因数の和:624459

約数の個数: 24

約数和(自身を含む): 209813184

約数和(自身を除く): 122391164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 624443, 1248886, 2497772, 3122215, 4371101, 6244430, 8742202, 12488860, 17484404, 21855505, 43711010, 87422020]

約数ペア:

[(1, 87422020), (2, 43711010), (4, 21855505), (5, 17484404), (7, 12488860), (10, 8742202), (14, 6244430), (20, 4371101), (28, 3122215), (35, 2497772), (70, 1248886), (140, 624443)]