72038128

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{17519}}^1$

素因数の和:17784

約数の個数: 20

約数和(自身を含む): 140124960

約数和(自身を除く): 68086832

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 17519, 35038, 70076, 140152, 280304, 4502383, 9004766, 18009532, 36019064, 72038128]

約数ペア:

[(1, 72038128), (2, 36019064), (4, 18009532), (8, 9004766), (16, 4502383), (257, 280304), (514, 140152), (1028, 70076), (2056, 35038), (4112, 17519)]