108886640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12487}}^1$

素因数の和:12609

約数の個数: 40

約数和(自身を含む): 255504480

約数和(自身を除く): 146617840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 12487, 24974, 49948, 62435, 99896, 124870, 199792, 249740, 499480, 998960, 1361083, 2722166, 5444332, 6805415, 10888664, 13610830, 21777328, 27221660, 54443320, 108886640]

約数ペア:

[(1, 108886640), (2, 54443320), (4, 27221660), (5, 21777328), (8, 13610830), (10, 10888664), (16, 6805415), (20, 5444332), (40, 2722166), (80, 1361083), (109, 998960), (218, 499480), (436, 249740), (545, 199792), (872, 124870), (1090, 99896), (1744, 62435), (2180, 49948), (4360, 24974), (8720, 12487)]