27856720

素因数分解:

$2^4\times 5^1\times {\mathrm{348209}}^1$

素因数の和:348222

約数の個数: 20

約数和(自身を含む): 64767060

約数和(自身を除く): 36910340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348209, 696418, 1392836, 1741045, 2785672, 3482090, 5571344, 6964180, 13928360, 27856720]

約数ペア:

[(1, 27856720), (2, 13928360), (4, 6964180), (5, 5571344), (8, 3482090), (10, 2785672), (16, 1741045), (20, 1392836), (40, 696418), (80, 348209)]