139217840

素因数分解:

$2^4\times 5^1\times {\mathrm{1740223}}^1$

素因数の和:1740236

約数の個数: 20

約数和(自身を含む): 323681664

約数和(自身を除く): 184463824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1740223, 3480446, 6960892, 8701115, 13921784, 17402230, 27843568, 34804460, 69608920, 139217840]

約数ペア:

[(1, 139217840), (2, 69608920), (4, 34804460), (5, 27843568), (8, 17402230), (10, 13921784), (16, 8701115), (20, 6960892), (40, 3480446), (80, 1740223)]