28280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1$

素因数の和:119

約数の個数: 32

約数和(自身を含む): 73440

約数和(自身を除く): 45160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 3535, 4040, 5656, 7070, 14140, 28280]

約数ペア:

[(1, 28280), (2, 14140), (4, 7070), (5, 5656), (7, 4040), (8, 3535), (10, 2828), (14, 2020), (20, 1414), (28, 1010), (35, 808), (40, 707), (56, 505), (70, 404), (101, 280), (140, 202)]