71108020

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{4139}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 149536800

約数和(自身を除く): 78428780

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4139, 4295, 8278, 8590, 16556, 17180, 20695, 41390, 82780, 3555401, 7110802, 14221604, 17777005, 35554010, 71108020]

約数ペア:

[(1, 71108020), (2, 35554010), (4, 17777005), (5, 14221604), (10, 7110802), (20, 3555401), (859, 82780), (1718, 41390), (3436, 20695), (4139, 17180), (4295, 16556), (8278, 8590)]