38978120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51287}}^1$

素因数の和:51317

約数の個数: 32

約数和(自身を含む): 92318400

約数和(自身を除く): 53340280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 51287, 102574, 205148, 256435, 410296, 512870, 974453, 1025740, 1948906, 2051480, 3897812, 4872265, 7795624, 9744530, 19489060, 38978120]

約数ペア:

[(1, 38978120), (2, 19489060), (4, 9744530), (5, 7795624), (8, 4872265), (10, 3897812), (19, 2051480), (20, 1948906), (38, 1025740), (40, 974453), (76, 512870), (95, 410296), (152, 256435), (190, 205148), (380, 102574), (760, 51287)]