12740240020

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1119529}}^1$

素因数の和:1120107

約数の個数: 24

約数和(自身を含む): 26801548200

約数和(自身を除く): 14061308180

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 11380, 1119529, 2239058, 4478116, 5597645, 11195290, 22390580, 637012001, 1274024002, 2548048004, 3185060005, 6370120010, 12740240020]

約数ペア:

[(1, 12740240020), (2, 6370120010), (4, 3185060005), (5, 2548048004), (10, 1274024002), (20, 637012001), (569, 22390580), (1138, 11195290), (2276, 5597645), (2845, 4478116), (5690, 2239058), (11380, 1119529)]