13122280

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1307}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 29665440

約数和(自身を除く): 16543160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1307, 2008, 2510, 2614, 5020, 5228, 6535, 10040, 10456, 13070, 26140, 52280, 328057, 656114, 1312228, 1640285, 2624456, 3280570, 6561140, 13122280]

約数ペア:

[(1, 13122280), (2, 6561140), (4, 3280570), (5, 2624456), (8, 1640285), (10, 1312228), (20, 656114), (40, 328057), (251, 52280), (502, 26140), (1004, 13070), (1255, 10456), (1307, 10040), (2008, 6535), (2510, 5228), (2614, 5020)]