13142120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3253}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 29871720

約数和(自身を除く): 16729600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3253, 4040, 6506, 13012, 16265, 26024, 32530, 65060, 130120, 328553, 657106, 1314212, 1642765, 2628424, 3285530, 6571060, 13142120]

約数ペア:

[(1, 13142120), (2, 6571060), (4, 3285530), (5, 2628424), (8, 1642765), (10, 1314212), (20, 657106), (40, 328553), (101, 130120), (202, 65060), (404, 32530), (505, 26024), (808, 16265), (1010, 13012), (2020, 6506), (3253, 4040)]