12868540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5903}}^1$

素因数の和:6021

約数の個数: 24

約数和(自身を含む): 27276480

約数和(自身を除く): 14407940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5903, 11806, 23612, 29515, 59030, 118060, 643427, 1286854, 2573708, 3217135, 6434270, 12868540]

約数ペア:

[(1, 12868540), (2, 6434270), (4, 3217135), (5, 2573708), (10, 1286854), (20, 643427), (109, 118060), (218, 59030), (436, 29515), (545, 23612), (1090, 11806), (2180, 5903)]