4118780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2149

約数の個数: 24

約数和(自身を含む): 8739360

約数和(自身を除く): 4620580

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2039, 4078, 8156, 10195, 20390, 40780, 205939, 411878, 823756, 1029695, 2059390, 4118780]

約数ペア:

[(1, 4118780), (2, 2059390), (4, 1029695), (5, 823756), (10, 411878), (20, 205939), (101, 40780), (202, 20390), (404, 10195), (505, 8156), (1010, 4078), (2020, 2039)]