8163440

素因数分解:

$2^4\times 5^1\times {\mathrm{102043}}^1$

素因数の和:102056

約数の個数: 20

約数和(自身を含む): 18980184

約数和(自身を除く): 10816744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102043, 204086, 408172, 510215, 816344, 1020430, 1632688, 2040860, 4081720, 8163440]

約数ペア:

[(1, 8163440), (2, 4081720), (4, 2040860), (5, 1632688), (8, 1020430), (10, 816344), (16, 510215), (20, 408172), (40, 204086), (80, 102043)]