6647540

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{653}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 14008680

約数和(自身を除く): 7361140

約数列:

[1, 2, 4, 5, 10, 20, 509, 653, 1018, 1306, 2036, 2545, 2612, 3265, 5090, 6530, 10180, 13060, 332377, 664754, 1329508, 1661885, 3323770, 6647540]

約数ペア:

[(1, 6647540), (2, 3323770), (4, 1661885), (5, 1329508), (10, 664754), (20, 332377), (509, 13060), (653, 10180), (1018, 6530), (1306, 5090), (2036, 3265), (2545, 2612)]