5251420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1889}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 11113200

約数和(自身を除く): 5861780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1889, 2780, 3778, 7556, 9445, 18890, 37780, 262571, 525142, 1050284, 1312855, 2625710, 5251420]

約数ペア:

[(1, 5251420), (2, 2625710), (4, 1312855), (5, 1050284), (10, 525142), (20, 262571), (139, 37780), (278, 18890), (556, 9445), (695, 7556), (1390, 3778), (1889, 2780)]