28383020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{14051}}^1$

素因数の和:14161

約数の個数: 24

約数和(自身を含む): 60198768

約数和(自身を除く): 31815748

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 14051, 28102, 56204, 70255, 140510, 281020, 1419151, 2838302, 5676604, 7095755, 14191510, 28383020]

約数ペア:

[(1, 28383020), (2, 14191510), (4, 7095755), (5, 5676604), (10, 2838302), (20, 1419151), (101, 281020), (202, 140510), (404, 70255), (505, 56204), (1010, 28102), (2020, 14051)]