6561140

素因数分解:

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

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 13843872

約数和(自身を除く): 7282732

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 1307, 2510, 2614, 5020, 5228, 6535, 13070, 26140, 328057, 656114, 1312228, 1640285, 3280570, 6561140]

約数ペア:

[(1, 6561140), (2, 3280570), (4, 1640285), (5, 1312228), (10, 656114), (20, 328057), (251, 26140), (502, 13070), (1004, 6535), (1255, 5228), (1307, 5020), (2510, 2614)]