4486420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 9519048

約数和(自身を除く): 5032628

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2221, 4442, 8884, 11105, 22210, 44420, 224321, 448642, 897284, 1121605, 2243210, 4486420]

約数ペア:

[(1, 4486420), (2, 2243210), (4, 1121605), (5, 897284), (10, 448642), (20, 224321), (101, 44420), (202, 22210), (404, 11105), (505, 8884), (1010, 4442), (2020, 2221)]