2388020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 5056800

約数和(自身を除く): 2668780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 859, 1390, 1718, 2780, 3436, 4295, 8590, 17180, 119401, 238802, 477604, 597005, 1194010, 2388020]

約数ペア:

[(1, 2388020), (2, 1194010), (4, 597005), (5, 477604), (10, 238802), (20, 119401), (139, 17180), (278, 8590), (556, 4295), (695, 3436), (859, 2780), (1390, 1718)]