81031010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25087}}^1$

素因数の和:25130

約数の個数: 32

約数和(自身を含む): 162570240

約数和(自身を除く): 81539230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 25087, 50174, 125435, 250870, 426479, 476653, 852958, 953306, 2132395, 2383265, 4264790, 4766530, 8103101, 16206202, 40515505, 81031010]

約数ペア:

[(1, 81031010), (2, 40515505), (5, 16206202), (10, 8103101), (17, 4766530), (19, 4264790), (34, 2383265), (38, 2132395), (85, 953306), (95, 852958), (170, 476653), (190, 426479), (323, 250870), (646, 125435), (1615, 50174), (3230, 25087)]