2163440

素因数分解:

$2^4\times 5^1\times {\mathrm{27043}}^1$

素因数の和:27056

約数の個数: 20

約数和(自身を含む): 5030184

約数和(自身を除く): 2866744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27043, 54086, 108172, 135215, 216344, 270430, 432688, 540860, 1081720, 2163440]

約数ペア:

[(1, 2163440), (2, 1081720), (4, 540860), (5, 432688), (8, 270430), (10, 216344), (16, 135215), (20, 108172), (40, 54086), (80, 27043)]