180020008

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{9539}}^1$

素因数の和:9889

約数の個数: 32

約数和(自身を含む): 386942400

約数和(自身を除く): 206922392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 1348, 2359, 2696, 4718, 9436, 9539, 18872, 19078, 38156, 66773, 76312, 133546, 267092, 534184, 3214643, 6429286, 12858572, 22502501, 25717144, 45005002, 90010004, 180020008]

約数ペア:

[(1, 180020008), (2, 90010004), (4, 45005002), (7, 25717144), (8, 22502501), (14, 12858572), (28, 6429286), (56, 3214643), (337, 534184), (674, 267092), (1348, 133546), (2359, 76312), (2696, 66773), (4718, 38156), (9436, 19078), (9539, 18872)]