205124880020

素因数分解:

$2^2\times 5^1\times {\mathrm{7879}}^1\times {\mathrm{1301719}}^1$

素因数の和:1309607

約数の個数: 24

約数和(自身を含む): 430817251200

約数和(自身を除く): 225692371180

約数列:

[1, 2, 4, 5, 10, 20, 7879, 15758, 31516, 39395, 78790, 157580, 1301719, 2603438, 5206876, 6508595, 13017190, 26034380, 10256244001, 20512488002, 41024976004, 51281220005, 102562440010, 205124880020]

約数ペア:

[(1, 205124880020), (2, 102562440010), (4, 51281220005), (5, 41024976004), (10, 20512488002), (20, 10256244001), (7879, 26034380), (15758, 13017190), (31516, 6508595), (39395, 5206876), (78790, 2603438), (157580, 1301719)]