13240496

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{1291}}^1$

素因数の和:1940

約数の個数: 20

約数和(自身を含む): 25713384

約数和(自身を除く): 12472888

約数列:

[1, 2, 4, 8, 16, 641, 1282, 1291, 2564, 2582, 5128, 5164, 10256, 10328, 20656, 827531, 1655062, 3310124, 6620248, 13240496]

約数ペア:

[(1, 13240496), (2, 6620248), (4, 3310124), (8, 1655062), (16, 827531), (641, 20656), (1282, 10328), (1291, 10256), (2564, 5164), (2582, 5128)]