15491380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7669}}^1$

素因数の和:7779

約数の個数: 24

約数和(自身を含む): 32858280

約数和(自身を除く): 17366900

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 7669, 15338, 30676, 38345, 76690, 153380, 774569, 1549138, 3098276, 3872845, 7745690, 15491380]

約数ペア:

[(1, 15491380), (2, 7745690), (4, 3872845), (5, 3098276), (10, 1549138), (20, 774569), (101, 153380), (202, 76690), (404, 38345), (505, 30676), (1010, 15338), (2020, 7669)]