8587420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3089}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 18169200

約数和(自身を除く): 9581780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3089, 6178, 12356, 15445, 30890, 61780, 429371, 858742, 1717484, 2146855, 4293710, 8587420]

約数ペア:

[(1, 8587420), (2, 4293710), (4, 2146855), (5, 1717484), (10, 858742), (20, 429371), (139, 61780), (278, 30890), (556, 15445), (695, 12356), (1390, 6178), (2780, 3089)]