205269080

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{4721}}^1$

素因数の和:5819

約数の個数: 32

約数和(自身を含む): 462378240

約数和(自身を除く): 257109160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 2174, 4348, 4721, 5435, 8696, 9442, 10870, 18884, 21740, 23605, 37768, 43480, 47210, 94420, 188840, 5131727, 10263454, 20526908, 25658635, 41053816, 51317270, 102634540, 205269080]

約数ペア:

[(1, 205269080), (2, 102634540), (4, 51317270), (5, 41053816), (8, 25658635), (10, 20526908), (20, 10263454), (40, 5131727), (1087, 188840), (2174, 94420), (4348, 47210), (4721, 43480), (5435, 37768), (8696, 23605), (9442, 21740), (10870, 18884)]