30982760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7669}}^1$

素因数の和:7781

約数の個数: 32

約数和(自身を含む): 70410600

約数和(自身を除く): 39427840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7669, 15338, 30676, 38345, 61352, 76690, 153380, 306760, 774569, 1549138, 3098276, 3872845, 6196552, 7745690, 15491380, 30982760]

約数ペア:

[(1, 30982760), (2, 15491380), (4, 7745690), (5, 6196552), (8, 3872845), (10, 3098276), (20, 1549138), (40, 774569), (101, 306760), (202, 153380), (404, 76690), (505, 61352), (808, 38345), (1010, 30676), (2020, 15338), (4040, 7669)]