13402420

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1399}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 28224000

約数和(自身を除く): 14821580

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1399, 1916, 2395, 2798, 4790, 5596, 6995, 9580, 13990, 27980, 670121, 1340242, 2680484, 3350605, 6701210, 13402420]

約数ペア:

[(1, 13402420), (2, 6701210), (4, 3350605), (5, 2680484), (10, 1340242), (20, 670121), (479, 27980), (958, 13990), (1399, 9580), (1916, 6995), (2395, 5596), (2798, 4790)]