2189360

素因数分解:

$2^4\times 5^1\times {\mathrm{27367}}^1$

素因数の和:27380

約数の個数: 20

約数和(自身を含む): 5090448

約数和(自身を除く): 2901088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27367, 54734, 109468, 136835, 218936, 273670, 437872, 547340, 1094680, 2189360]

約数ペア:

[(1, 2189360), (2, 1094680), (4, 547340), (5, 437872), (8, 273670), (10, 218936), (16, 136835), (20, 109468), (40, 54734), (80, 27367)]