139302560

素因数分解:

$2^5\times 5^1\times {\mathrm{870641}}^1$

素因数の和:870656

約数の個数: 24

約数和(自身を含む): 329102676

約数和(自身を除く): 189800116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 870641, 1741282, 3482564, 4353205, 6965128, 8706410, 13930256, 17412820, 27860512, 34825640, 69651280, 139302560]

約数ペア:

[(1, 139302560), (2, 69651280), (4, 34825640), (5, 27860512), (8, 17412820), (10, 13930256), (16, 8706410), (20, 6965128), (32, 4353205), (40, 3482564), (80, 1741282), (160, 870641)]