2688260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{967}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 5691840

約数和(自身を除く): 3003580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 967, 1390, 1934, 2780, 3868, 4835, 9670, 19340, 134413, 268826, 537652, 672065, 1344130, 2688260]

約数ペア:

[(1, 2688260), (2, 1344130), (4, 672065), (5, 537652), (10, 268826), (20, 134413), (139, 19340), (278, 9670), (556, 4835), (695, 3868), (967, 2780), (1390, 1934)]