40087888

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{9749}}^1$

素因数の和:10014

約数の個数: 20

約数和(自身を含む): 77980500

約数和(自身を除く): 37892612

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 9749, 19498, 38996, 77992, 155984, 2505493, 5010986, 10021972, 20043944, 40087888]

約数ペア:

[(1, 40087888), (2, 20043944), (4, 10021972), (8, 5010986), (16, 2505493), (257, 155984), (514, 77992), (1028, 38996), (2056, 19498), (4112, 9749)]