13454960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1543}}^1$

素因数の和:1665

約数の個数: 40

約数和(自身を含む): 31590240

約数和(自身を除く): 18135280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1543, 1744, 2180, 3086, 4360, 6172, 7715, 8720, 12344, 15430, 24688, 30860, 61720, 123440, 168187, 336374, 672748, 840935, 1345496, 1681870, 2690992, 3363740, 6727480, 13454960]

約数ペア:

[(1, 13454960), (2, 6727480), (4, 3363740), (5, 2690992), (8, 1681870), (10, 1345496), (16, 840935), (20, 672748), (40, 336374), (80, 168187), (109, 123440), (218, 61720), (436, 30860), (545, 24688), (872, 15430), (1090, 12344), (1543, 8720), (1744, 7715), (2180, 6172), (3086, 4360)]