12747080

素因数分解:

$2^3\times 5^1\times {\mathrm{318677}}^1$

素因数の和:318688

約数の個数: 16

約数和(自身を含む): 28681020

約数和(自身を除く): 15933940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 318677, 637354, 1274708, 1593385, 2549416, 3186770, 6373540, 12747080]

約数ペア:

[(1, 12747080), (2, 6373540), (4, 3186770), (5, 2549416), (8, 1593385), (10, 1274708), (20, 637354), (40, 318677)]