17557720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4027}}^1$

素因数の和:4147

約数の個数: 32

約数和(自身を含む): 39877200

約数和(自身を除く): 22319480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4027, 4360, 8054, 16108, 20135, 32216, 40270, 80540, 161080, 438943, 877886, 1755772, 2194715, 3511544, 4389430, 8778860, 17557720]

約数ペア:

[(1, 17557720), (2, 8778860), (4, 4389430), (5, 3511544), (8, 2194715), (10, 1755772), (20, 877886), (40, 438943), (109, 161080), (218, 80540), (436, 40270), (545, 32216), (872, 20135), (1090, 16108), (2180, 8054), (4027, 4360)]