13816840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3169}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 31383000

約数和(自身を除く): 17566160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3169, 4360, 6338, 12676, 15845, 25352, 31690, 63380, 126760, 345421, 690842, 1381684, 1727105, 2763368, 3454210, 6908420, 13816840]

約数ペア:

[(1, 13816840), (2, 6908420), (4, 3454210), (5, 2763368), (8, 1727105), (10, 1381684), (20, 690842), (40, 345421), (109, 126760), (218, 63380), (436, 31690), (545, 25352), (872, 15845), (1090, 12676), (2180, 6338), (3169, 4360)]