6661540

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1327}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 14055552

約数和(自身を除く): 7394012

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 1327, 2510, 2654, 5020, 5308, 6635, 13270, 26540, 333077, 666154, 1332308, 1665385, 3330770, 6661540]

約数ペア:

[(1, 6661540), (2, 3330770), (4, 1665385), (5, 1332308), (10, 666154), (20, 333077), (251, 26540), (502, 13270), (1004, 6635), (1255, 5308), (1327, 5020), (2510, 2654)]