12784540

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1669}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 26933760

約数和(自身を除く): 14149220

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1669, 1915, 3338, 3830, 6676, 7660, 8345, 16690, 33380, 639227, 1278454, 2556908, 3196135, 6392270, 12784540]

約数ペア:

[(1, 12784540), (2, 6392270), (4, 3196135), (5, 2556908), (10, 1278454), (20, 639227), (383, 33380), (766, 16690), (1532, 8345), (1669, 7660), (1915, 6676), (3338, 3830)]