12841160

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 16189240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1279, 2008, 2510, 2558, 5020, 5116, 6395, 10040, 10232, 12790, 25580, 51160, 321029, 642058, 1284116, 1605145, 2568232, 3210290, 6420580, 12841160]

約数ペア:

[(1, 12841160), (2, 6420580), (4, 3210290), (5, 2568232), (8, 1605145), (10, 1284116), (20, 642058), (40, 321029), (251, 51160), (502, 25580), (1004, 12790), (1255, 10232), (1279, 10040), (2008, 6395), (2510, 5116), (2558, 5020)]