5211280

素因数分解:

$2^4\times 5^1\times {\mathrm{65141}}^1$

素因数の和:65154

約数の個数: 20

約数和(自身を含む): 12116412

約数和(自身を除く): 6905132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 65141, 130282, 260564, 325705, 521128, 651410, 1042256, 1302820, 2605640, 5211280]

約数ペア:

[(1, 5211280), (2, 2605640), (4, 1302820), (5, 1042256), (8, 651410), (10, 521128), (16, 325705), (20, 260564), (40, 130282), (80, 65141)]