13420228840

素因数分解:

$2^3\times 5^1\times {\mathrm{335505721}}^1$

素因数の和:335505732

約数の個数: 16

約数和(自身を含む): 30195514980

約数和(自身を除く): 16775286140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 335505721, 671011442, 1342022884, 1677528605, 2684045768, 3355057210, 6710114420, 13420228840]

約数ペア:

[(1, 13420228840), (2, 6710114420), (4, 3355057210), (5, 2684045768), (8, 1677528605), (10, 1342022884), (20, 671011442), (40, 335505721)]