12392980

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2237}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 26130888

約数和(自身を除く): 13737908

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2237, 2770, 4474, 5540, 8948, 11185, 22370, 44740, 619649, 1239298, 2478596, 3098245, 6196490, 12392980]

約数ペア:

[(1, 12392980), (2, 6196490), (4, 3098245), (5, 2478596), (10, 1239298), (20, 619649), (277, 44740), (554, 22370), (1108, 11185), (1385, 8948), (2237, 5540), (2770, 4474)]